Home / 5,248.48-7,872.82-1,352.88

Finding the Fourth Proportional to 5,248.48, 7,872.82 and 1,352.88

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Solution

The fourth proportional to 5,248.48, 7,872.82 and 1,352.88 is: 2,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.48 : 7,872.82 = 1,352.88 : x
  2. Step 2: Convert to fraction form
    5,248.48/7,872.82 = 1,352.88/x
  3. Step 3: Cross multiply
    5,248.48x = 7,872.82 × 1,352.88
  4. Step 4: Simplify right side
    5,248.48x = 10,650,980.72
  5. Step 5: Solve for x
    x = 10,650,980.72/5,248.48
  6. Step 6: Final answer
    x = 2,029.35

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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.