Home / 2,983.13-4,116.98-1,657.10

Finding the Fourth Proportional to 2,983.13, 4,116.98 and 1,657.10

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Solution

The fourth proportional to 2,983.13, 4,116.98 and 1,657.10 is: 2,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.13 : 4,116.98 = 1,657.10 : x
  2. Step 2: Convert to fraction form
    2,983.13/4,116.98 = 1,657.10/x
  3. Step 3: Cross multiply
    2,983.13x = 4,116.98 × 1,657.10
  4. Step 4: Simplify right side
    2,983.13x = 6,822,231.12
  5. Step 5: Solve for x
    x = 6,822,231.12/2,983.13
  6. Step 6: Final answer
    x = 2,286.94

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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.