Home / 5,354.99-7,389.89-2,997.13

Finding the Fourth Proportional to 5,354.99, 7,389.89 and 2,997.13

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Solution

The fourth proportional to 5,354.99, 7,389.89 and 2,997.13 is: 4,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.99 : 7,389.89 = 2,997.13 : x
  2. Step 2: Convert to fraction form
    5,354.99/7,389.89 = 2,997.13/x
  3. Step 3: Cross multiply
    5,354.99x = 7,389.89 × 2,997.13
  4. Step 4: Simplify right side
    5,354.99x = 22,148,461.02
  5. Step 5: Solve for x
    x = 22,148,461.02/5,354.99
  6. Step 6: Final answer
    x = 4,136.04

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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.