Home / 5,391.36-7,442.28-3,296.70

Finding the Fourth Proportional to 5,391.36, 7,442.28 and 3,296.70

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Solution

The fourth proportional to 5,391.36, 7,442.28 and 3,296.70 is: 4,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.36 : 7,442.28 = 3,296.70 : x
  2. Step 2: Convert to fraction form
    5,391.36/7,442.28 = 3,296.70/x
  3. Step 3: Cross multiply
    5,391.36x = 7,442.28 × 3,296.70
  4. Step 4: Simplify right side
    5,391.36x = 24,534,964.48
  5. Step 5: Solve for x
    x = 24,534,964.48/5,391.36
  6. Step 6: Final answer
    x = 4,550.79

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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.