Home / 7,038.01-10,542.39-3,343.15

Finding the Fourth Proportional to 7,038.01, 10,542.39 and 3,343.15

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Solution

The fourth proportional to 7,038.01, 10,542.39 and 3,343.15 is: 5,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.01 : 10,542.39 = 3,343.15 : x
  2. Step 2: Convert to fraction form
    7,038.01/10,542.39 = 3,343.15/x
  3. Step 3: Cross multiply
    7,038.01x = 10,542.39 × 3,343.15
  4. Step 4: Simplify right side
    7,038.01x = 35,244,791.13
  5. Step 5: Solve for x
    x = 35,244,791.13/7,038.01
  6. Step 6: Final answer
    x = 5,007.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.