Home / 6,085.62-8,398.18-3,291.12

Finding the Fourth Proportional to 6,085.62, 8,398.18 and 3,291.12

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Solution

The fourth proportional to 6,085.62, 8,398.18 and 3,291.12 is: 4,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.62 : 8,398.18 = 3,291.12 : x
  2. Step 2: Convert to fraction form
    6,085.62/8,398.18 = 3,291.12/x
  3. Step 3: Cross multiply
    6,085.62x = 8,398.18 × 3,291.12
  4. Step 4: Simplify right side
    6,085.62x = 27,639,418.16
  5. Step 5: Solve for x
    x = 27,639,418.16/6,085.62
  6. Step 6: Final answer
    x = 4,541.76

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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.