Home / 5,587.72-8,378.99-3,248.39

Finding the Fourth Proportional to 5,587.72, 8,378.99 and 3,248.39

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Solution

The fourth proportional to 5,587.72, 8,378.99 and 3,248.39 is: 4,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.72 : 8,378.99 = 3,248.39 : x
  2. Step 2: Convert to fraction form
    5,587.72/8,378.99 = 3,248.39/x
  3. Step 3: Cross multiply
    5,587.72x = 8,378.99 × 3,248.39
  4. Step 4: Simplify right side
    5,587.72x = 27,218,227.33
  5. Step 5: Solve for x
    x = 27,218,227.33/5,587.72
  6. Step 6: Final answer
    x = 4,871.08

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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.