Home / 5,979.95-8,252.39-3,291.47

Finding the Fourth Proportional to 5,979.95, 8,252.39 and 3,291.47

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Solution

The fourth proportional to 5,979.95, 8,252.39 and 3,291.47 is: 4,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.95 : 8,252.39 = 3,291.47 : x
  2. Step 2: Convert to fraction form
    5,979.95/8,252.39 = 3,291.47/x
  3. Step 3: Cross multiply
    5,979.95x = 8,252.39 × 3,291.47
  4. Step 4: Simplify right side
    5,979.95x = 27,162,436.39
  5. Step 5: Solve for x
    x = 27,162,436.39/5,979.95
  6. Step 6: Final answer
    x = 4,542.26

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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.