Home / 5,854.47-8,078.85-3,201.39

Finding the Fourth Proportional to 5,854.47, 8,078.85 and 3,201.39

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Solution

The fourth proportional to 5,854.47, 8,078.85 and 3,201.39 is: 4,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.47 : 8,078.85 = 3,201.39 : x
  2. Step 2: Convert to fraction form
    5,854.47/8,078.85 = 3,201.39/x
  3. Step 3: Cross multiply
    5,854.47x = 8,078.85 × 3,201.39
  4. Step 4: Simplify right side
    5,854.47x = 25,863,549.60
  5. Step 5: Solve for x
    x = 25,863,549.60/5,854.47
  6. Step 6: Final answer
    x = 4,417.74

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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.