Home / 5,454.12-7,525.76-5,177.36

Finding the Fourth Proportional to 5,454.12, 7,525.76 and 5,177.36

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Solution

The fourth proportional to 5,454.12, 7,525.76 and 5,177.36 is: 7,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.12 : 7,525.76 = 5,177.36 : x
  2. Step 2: Convert to fraction form
    5,454.12/7,525.76 = 5,177.36/x
  3. Step 3: Cross multiply
    5,454.12x = 7,525.76 × 5,177.36
  4. Step 4: Simplify right side
    5,454.12x = 38,963,568.79
  5. Step 5: Solve for x
    x = 38,963,568.79/5,454.12
  6. Step 6: Final answer
    x = 7,143.88

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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.