Home / 5,399.53-7,451.81-3,042.13

Finding the Fourth Proportional to 5,399.53, 7,451.81 and 3,042.13

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Solution

The fourth proportional to 5,399.53, 7,451.81 and 3,042.13 is: 4,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.53 : 7,451.81 = 3,042.13 : x
  2. Step 2: Convert to fraction form
    5,399.53/7,451.81 = 3,042.13/x
  3. Step 3: Cross multiply
    5,399.53x = 7,451.81 × 3,042.13
  4. Step 4: Simplify right side
    5,399.53x = 22,669,374.76
  5. Step 5: Solve for x
    x = 22,669,374.76/5,399.53
  6. Step 6: Final answer
    x = 4,198.40

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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.