Home / 5,853.38-8,781.48-2,390.63

Finding the Fourth Proportional to 5,853.38, 8,781.48 and 2,390.63

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Solution

The fourth proportional to 5,853.38, 8,781.48 and 2,390.63 is: 3,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.38 : 8,781.48 = 2,390.63 : x
  2. Step 2: Convert to fraction form
    5,853.38/8,781.48 = 2,390.63/x
  3. Step 3: Cross multiply
    5,853.38x = 8,781.48 × 2,390.63
  4. Step 4: Simplify right side
    5,853.38x = 20,993,225.63
  5. Step 5: Solve for x
    x = 20,993,225.63/5,853.38
  6. Step 6: Final answer
    x = 3,586.52

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Half scale
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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.