Home / 5,165.27-7,127.50-2,927.10

Finding the Fourth Proportional to 5,165.27, 7,127.50 and 2,927.10

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Solution

The fourth proportional to 5,165.27, 7,127.50 and 2,927.10 is: 4,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.27 : 7,127.50 = 2,927.10 : x
  2. Step 2: Convert to fraction form
    5,165.27/7,127.50 = 2,927.10/x
  3. Step 3: Cross multiply
    5,165.27x = 7,127.50 × 2,927.10
  4. Step 4: Simplify right side
    5,165.27x = 20,862,890.61
  5. Step 5: Solve for x
    x = 20,862,890.61/5,165.27
  6. Step 6: Final answer
    x = 4,039.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.