Home / 5,254.48-7,882.55-1,557.08

Finding the Fourth Proportional to 5,254.48, 7,882.55 and 1,557.08

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Solution

The fourth proportional to 5,254.48, 7,882.55 and 1,557.08 is: 2,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.48 : 7,882.55 = 1,557.08 : x
  2. Step 2: Convert to fraction form
    5,254.48/7,882.55 = 1,557.08/x
  3. Step 3: Cross multiply
    5,254.48x = 7,882.55 × 1,557.08
  4. Step 4: Simplify right side
    5,254.48x = 12,273,749.15
  5. Step 5: Solve for x
    x = 12,273,749.15/5,254.48
  6. Step 6: Final answer
    x = 2,335.86

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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.