Home / 5,335.66-8,001.46-2,561.55

Finding the Fourth Proportional to 5,335.66, 8,001.46 and 2,561.55

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Solution

The fourth proportional to 5,335.66, 8,001.46 and 2,561.55 is: 3,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.66 : 8,001.46 = 2,561.55 : x
  2. Step 2: Convert to fraction form
    5,335.66/8,001.46 = 2,561.55/x
  3. Step 3: Cross multiply
    5,335.66x = 8,001.46 × 2,561.55
  4. Step 4: Simplify right side
    5,335.66x = 20,496,139.86
  5. Step 5: Solve for x
    x = 20,496,139.86/5,335.66
  6. Step 6: Final answer
    x = 3,841.35

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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.