Home / 5,471.46-7,551.54-3,113.28

Finding the Fourth Proportional to 5,471.46, 7,551.54 and 3,113.28

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Solution

The fourth proportional to 5,471.46, 7,551.54 and 3,113.28 is: 4,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.46 : 7,551.54 = 3,113.28 : x
  2. Step 2: Convert to fraction form
    5,471.46/7,551.54 = 3,113.28/x
  3. Step 3: Cross multiply
    5,471.46x = 7,551.54 × 3,113.28
  4. Step 4: Simplify right side
    5,471.46x = 23,510,058.45
  5. Step 5: Solve for x
    x = 23,510,058.45/5,471.46
  6. Step 6: Final answer
    x = 4,296.85

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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.