Home / 5,853.67-8,780.51-2,390.92

Finding the Fourth Proportional to 5,853.67, 8,780.51 and 2,390.92

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Solution

The fourth proportional to 5,853.67, 8,780.51 and 2,390.92 is: 3,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.67 : 8,780.51 = 2,390.92 : x
  2. Step 2: Convert to fraction form
    5,853.67/8,780.51 = 2,390.92/x
  3. Step 3: Cross multiply
    5,853.67x = 8,780.51 × 2,390.92
  4. Step 4: Simplify right side
    5,853.67x = 20,993,441.11
  5. Step 5: Solve for x
    x = 20,993,441.11/5,853.67
  6. Step 6: Final answer
    x = 3,586.38

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Half scale
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Double scale
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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.