Home / 5,474.40-7,554.76-3,116.76

Finding the Fourth Proportional to 5,474.40, 7,554.76 and 3,116.76

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Solution

The fourth proportional to 5,474.40, 7,554.76 and 3,116.76 is: 4,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.40 : 7,554.76 = 3,116.76 : x
  2. Step 2: Convert to fraction form
    5,474.40/7,554.76 = 3,116.76/x
  3. Step 3: Cross multiply
    5,474.40x = 7,554.76 × 3,116.76
  4. Step 4: Simplify right side
    5,474.40x = 23,546,373.78
  5. Step 5: Solve for x
    x = 23,546,373.78/5,474.40
  6. Step 6: Final answer
    x = 4,301.18

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Half 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.