Home / 5,255.60-7,882.76-1,360.28

Finding the Fourth Proportional to 5,255.60, 7,882.76 and 1,360.28

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Solution

The fourth proportional to 5,255.60, 7,882.76 and 1,360.28 is: 2,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.60 : 7,882.76 = 1,360.28 : x
  2. Step 2: Convert to fraction form
    5,255.60/7,882.76 = 1,360.28/x
  3. Step 3: Cross multiply
    5,255.60x = 7,882.76 × 1,360.28
  4. Step 4: Simplify right side
    5,255.60x = 10,722,760.77
  5. Step 5: Solve for x
    x = 10,722,760.77/5,255.60
  6. Step 6: Final answer
    x = 2,040.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.