Home / 5,646.08-8,472.02-2,687.87

Finding the Fourth Proportional to 5,646.08, 8,472.02 and 2,687.87

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Solution

The fourth proportional to 5,646.08, 8,472.02 and 2,687.87 is: 4,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.08 : 8,472.02 = 2,687.87 : x
  2. Step 2: Convert to fraction form
    5,646.08/8,472.02 = 2,687.87/x
  3. Step 3: Cross multiply
    5,646.08x = 8,472.02 × 2,687.87
  4. Step 4: Simplify right side
    5,646.08x = 22,771,696.14
  5. Step 5: Solve for x
    x = 22,771,696.14/5,646.08
  6. Step 6: Final answer
    x = 4,033.19

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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.