Home / 5,010.92-7,515.17-2,087.63

Finding the Fourth Proportional to 5,010.92, 7,515.17 and 2,087.63

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Solution

The fourth proportional to 5,010.92, 7,515.17 and 2,087.63 is: 3,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.92 : 7,515.17 = 2,087.63 : x
  2. Step 2: Convert to fraction form
    5,010.92/7,515.17 = 2,087.63/x
  3. Step 3: Cross multiply
    5,010.92x = 7,515.17 × 2,087.63
  4. Step 4: Simplify right side
    5,010.92x = 15,688,910.53
  5. Step 5: Solve for x
    x = 15,688,910.53/5,010.92
  6. Step 6: Final answer
    x = 3,130.94

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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.