Home / 7,343.60-10,134.09-4,157.54

Finding the Fourth Proportional to 7,343.60, 10,134.09 and 4,157.54

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Solution

The fourth proportional to 7,343.60, 10,134.09 and 4,157.54 is: 5,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.60 : 10,134.09 = 4,157.54 : x
  2. Step 2: Convert to fraction form
    7,343.60/10,134.09 = 4,157.54/x
  3. Step 3: Cross multiply
    7,343.60x = 10,134.09 × 4,157.54
  4. Step 4: Simplify right side
    7,343.60x = 42,132,833.87
  5. Step 5: Solve for x
    x = 42,132,833.87/7,343.60
  6. Step 6: Final answer
    x = 5,737.35

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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.