Home / 5,381.25-8,074.62-2,460.24

Finding the Fourth Proportional to 5,381.25, 8,074.62 and 2,460.24

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Solution

The fourth proportional to 5,381.25, 8,074.62 and 2,460.24 is: 3,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.25 : 8,074.62 = 2,460.24 : x
  2. Step 2: Convert to fraction form
    5,381.25/8,074.62 = 2,460.24/x
  3. Step 3: Cross multiply
    5,381.25x = 8,074.62 × 2,460.24
  4. Step 4: Simplify right side
    5,381.25x = 19,865,503.11
  5. Step 5: Solve for x
    x = 19,865,503.11/5,381.25
  6. Step 6: Final answer
    x = 3,691.61

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Half scale
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Double 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.