Home / 5,254.60-7,882.30-1,556.74

Finding the Fourth Proportional to 5,254.60, 7,882.30 and 1,556.74

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Solution

The fourth proportional to 5,254.60, 7,882.30 and 1,556.74 is: 2,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.60 : 7,882.30 = 1,556.74 : x
  2. Step 2: Convert to fraction form
    5,254.60/7,882.30 = 1,556.74/x
  3. Step 3: Cross multiply
    5,254.60x = 7,882.30 × 1,556.74
  4. Step 4: Simplify right side
    5,254.60x = 12,270,691.70
  5. Step 5: Solve for x
    x = 12,270,691.70/5,254.60
  6. Step 6: Final answer
    x = 2,335.23

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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.