Home / 5,854.80-8,079.28-3,201.68

Finding the Fourth Proportional to 5,854.80, 8,079.28 and 3,201.68

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Solution

The fourth proportional to 5,854.80, 8,079.28 and 3,201.68 is: 4,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.80 : 8,079.28 = 3,201.68 : x
  2. Step 2: Convert to fraction form
    5,854.80/8,079.28 = 3,201.68/x
  3. Step 3: Cross multiply
    5,854.80x = 8,079.28 × 3,201.68
  4. Step 4: Simplify right side
    5,854.80x = 25,867,269.19
  5. Step 5: Solve for x
    x = 25,867,269.19/5,854.80
  6. Step 6: Final answer
    x = 4,418.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.