Home / 5,472.75-7,549.68-3,455.28

Finding the Fourth Proportional to 5,472.75, 7,549.68 and 3,455.28

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Solution

The fourth proportional to 5,472.75, 7,549.68 and 3,455.28 is: 4,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.75 : 7,549.68 = 3,455.28 : x
  2. Step 2: Convert to fraction form
    5,472.75/7,549.68 = 3,455.28/x
  3. Step 3: Cross multiply
    5,472.75x = 7,549.68 × 3,455.28
  4. Step 4: Simplify right side
    5,472.75x = 26,086,258.31
  5. Step 5: Solve for x
    x = 26,086,258.31/5,472.75
  6. Step 6: Final answer
    x = 4,766.57

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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.