Home / 5,355.05-7,389.96-2,997.14

Finding the Fourth Proportional to 5,355.05, 7,389.96 and 2,997.14

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Solution

The fourth proportional to 5,355.05, 7,389.96 and 2,997.14 is: 4,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.05 : 7,389.96 = 2,997.14 : x
  2. Step 2: Convert to fraction form
    5,355.05/7,389.96 = 2,997.14/x
  3. Step 3: Cross multiply
    5,355.05x = 7,389.96 × 2,997.14
  4. Step 4: Simplify right side
    5,355.05x = 22,148,744.71
  5. Step 5: Solve for x
    x = 22,148,744.71/5,355.05
  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.