Home / 5,809.11-8,016.59-3,156.46

Finding the Fourth Proportional to 5,809.11, 8,016.59 and 3,156.46

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Solution

The fourth proportional to 5,809.11, 8,016.59 and 3,156.46 is: 4,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.11 : 8,016.59 = 3,156.46 : x
  2. Step 2: Convert to fraction form
    5,809.11/8,016.59 = 3,156.46/x
  3. Step 3: Cross multiply
    5,809.11x = 8,016.59 × 3,156.46
  4. Step 4: Simplify right side
    5,809.11x = 25,304,045.67
  5. Step 5: Solve for x
    x = 25,304,045.67/5,809.11
  6. Step 6: Final answer
    x = 4,355.92

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Double scale
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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.