Home / 5,331.27-7,355.84-2,972.82

Finding the Fourth Proportional to 5,331.27, 7,355.84 and 2,972.82

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Solution

The fourth proportional to 5,331.27, 7,355.84 and 2,972.82 is: 4,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.27 : 7,355.84 = 2,972.82 : x
  2. Step 2: Convert to fraction form
    5,331.27/7,355.84 = 2,972.82/x
  3. Step 3: Cross multiply
    5,331.27x = 7,355.84 × 2,972.82
  4. Step 4: Simplify right side
    5,331.27x = 21,867,573.40
  5. Step 5: Solve for x
    x = 21,867,573.40/5,331.27
  6. Step 6: Final answer
    x = 4,101.76

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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.