Home / 5,008.70-7,499.16-2,531.40

Finding the Fourth Proportional to 5,008.70, 7,499.16 and 2,531.40

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Solution

The fourth proportional to 5,008.70, 7,499.16 and 2,531.40 is: 3,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.70 : 7,499.16 = 2,531.40 : x
  2. Step 2: Convert to fraction form
    5,008.70/7,499.16 = 2,531.40/x
  3. Step 3: Cross multiply
    5,008.70x = 7,499.16 × 2,531.40
  4. Step 4: Simplify right side
    5,008.70x = 18,983,373.62
  5. Step 5: Solve for x
    x = 18,983,373.62/5,008.70
  6. Step 6: Final answer
    x = 3,790.08

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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.