Home / 4,691.13-6,473.70-2,828.13

Finding the Fourth Proportional to 4,691.13, 6,473.70 and 2,828.13

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Solution

The fourth proportional to 4,691.13, 6,473.70 and 2,828.13 is: 3,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.13 : 6,473.70 = 2,828.13 : x
  2. Step 2: Convert to fraction form
    4,691.13/6,473.70 = 2,828.13/x
  3. Step 3: Cross multiply
    4,691.13x = 6,473.70 × 2,828.13
  4. Step 4: Simplify right side
    4,691.13x = 18,308,465.18
  5. Step 5: Solve for x
    x = 18,308,465.18/4,691.13
  6. Step 6: Final answer
    x = 3,902.78

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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.