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Finding the Fourth Proportional to 5,853.93, 8,780.90 and 2,391.18

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Solution

The fourth proportional to 5,853.93, 8,780.90 and 2,391.18 is: 3,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.93 : 8,780.90 = 2,391.18 : x
  2. Step 2: Convert to fraction form
    5,853.93/8,780.90 = 2,391.18/x
  3. Step 3: Cross multiply
    5,853.93x = 8,780.90 × 2,391.18
  4. Step 4: Simplify right side
    5,853.93x = 20,996,656.60
  5. Step 5: Solve for x
    x = 20,996,656.60/5,853.93
  6. Step 6: Final answer
    x = 3,586.77

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,854.93, 8,782.40 and 2,392.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.