Home / 7,400.10-11,092.58-3,507.78

Finding the Fourth Proportional to 7,400.10, 11,092.58 and 3,507.78

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Solution

The fourth proportional to 7,400.10, 11,092.58 and 3,507.78 is: 5,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.10 : 11,092.58 = 3,507.78 : x
  2. Step 2: Convert to fraction form
    7,400.10/11,092.58 = 3,507.78/x
  3. Step 3: Cross multiply
    7,400.10x = 11,092.58 × 3,507.78
  4. Step 4: Simplify right side
    7,400.10x = 38,910,330.27
  5. Step 5: Solve for x
    x = 38,910,330.27/7,400.10
  6. Step 6: Final answer
    x = 5,258.08

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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.