Home / 7,152.87-10,731.17-2,710.57

Finding the Fourth Proportional to 7,152.87, 10,731.17 and 2,710.57

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Solution

The fourth proportional to 7,152.87, 10,731.17 and 2,710.57 is: 4,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.87 : 10,731.17 = 2,710.57 : x
  2. Step 2: Convert to fraction form
    7,152.87/10,731.17 = 2,710.57/x
  3. Step 3: Cross multiply
    7,152.87x = 10,731.17 × 2,710.57
  4. Step 4: Simplify right side
    7,152.87x = 29,087,520.26
  5. Step 5: Solve for x
    x = 29,087,520.26/7,152.87
  6. Step 6: Final answer
    x = 4,066.55

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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.