Home / 5,136.59-7,088.45-2,898.44

Finding the Fourth Proportional to 5,136.59, 7,088.45 and 2,898.44

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Solution

The fourth proportional to 5,136.59, 7,088.45 and 2,898.44 is: 3,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.59 : 7,088.45 = 2,898.44 : x
  2. Step 2: Convert to fraction form
    5,136.59/7,088.45 = 2,898.44/x
  3. Step 3: Cross multiply
    5,136.59x = 7,088.45 × 2,898.44
  4. Step 4: Simplify right side
    5,136.59x = 20,545,397.08
  5. Step 5: Solve for x
    x = 20,545,397.08/5,136.59
  6. Step 6: Final answer
    x = 3,999.82

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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.