Home / 5,355.01-7,389.90-2,997.15

Finding the Fourth Proportional to 5,355.01, 7,389.90 and 2,997.15

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Solution

The fourth proportional to 5,355.01, 7,389.90 and 2,997.15 is: 4,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.01 : 7,389.90 = 2,997.15 : x
  2. Step 2: Convert to fraction form
    5,355.01/7,389.90 = 2,997.15/x
  3. Step 3: Cross multiply
    5,355.01x = 7,389.90 × 2,997.15
  4. Step 4: Simplify right side
    5,355.01x = 22,148,586.85
  5. Step 5: Solve for x
    x = 22,148,586.85/5,355.01
  6. Step 6: Final answer
    x = 4,136.05

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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.