Home / 7,136.38-10,701.91-2,455.08

Finding the Fourth Proportional to 7,136.38, 10,701.91 and 2,455.08

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Solution

The fourth proportional to 7,136.38, 10,701.91 and 2,455.08 is: 3,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.38 : 10,701.91 = 2,455.08 : x
  2. Step 2: Convert to fraction form
    7,136.38/10,701.91 = 2,455.08/x
  3. Step 3: Cross multiply
    7,136.38x = 10,701.91 × 2,455.08
  4. Step 4: Simplify right side
    7,136.38x = 26,274,045.20
  5. Step 5: Solve for x
    x = 26,274,045.20/7,136.38
  6. Step 6: Final answer
    x = 3,681.70

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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.