Home / 5,442.24-7,496.96-3,945.76

Finding the Fourth Proportional to 5,442.24, 7,496.96 and 3,945.76

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Solution

The fourth proportional to 5,442.24, 7,496.96 and 3,945.76 is: 5,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.24 : 7,496.96 = 3,945.76 : x
  2. Step 2: Convert to fraction form
    5,442.24/7,496.96 = 3,945.76/x
  3. Step 3: Cross multiply
    5,442.24x = 7,496.96 × 3,945.76
  4. Step 4: Simplify right side
    5,442.24x = 29,581,204.89
  5. Step 5: Solve for x
    x = 29,581,204.89/5,442.24
  6. Step 6: Final answer
    x = 5,435.48

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Double scale
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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.