Home / 6,085.61-8,398.13-3,291.11

Finding the Fourth Proportional to 6,085.61, 8,398.13 and 3,291.11

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Solution

The fourth proportional to 6,085.61, 8,398.13 and 3,291.11 is: 4,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.61 : 8,398.13 = 3,291.11 : x
  2. Step 2: Convert to fraction form
    6,085.61/8,398.13 = 3,291.11/x
  3. Step 3: Cross multiply
    6,085.61x = 8,398.13 × 3,291.11
  4. Step 4: Simplify right side
    6,085.61x = 27,639,111.18
  5. Step 5: Solve for x
    x = 27,639,111.18/6,085.61
  6. Step 6: Final answer
    x = 4,541.72

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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.