Home / 5,355.23-7,389.14-2,996.91

Finding the Fourth Proportional to 5,355.23, 7,389.14 and 2,996.91

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Solution

The fourth proportional to 5,355.23, 7,389.14 and 2,996.91 is: 4,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.23 : 7,389.14 = 2,996.91 : x
  2. Step 2: Convert to fraction form
    5,355.23/7,389.14 = 2,996.91/x
  3. Step 3: Cross multiply
    5,355.23x = 7,389.14 × 2,996.91
  4. Step 4: Simplify right side
    5,355.23x = 22,144,572.57
  5. Step 5: Solve for x
    x = 22,144,572.57/5,355.23
  6. Step 6: Final answer
    x = 4,135.13

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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.