Home / 1,657.23-2,287.05-1,096.71

Finding the Fourth Proportional to 1,657.23, 2,287.05 and 1,096.71

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Solution

The fourth proportional to 1,657.23, 2,287.05 and 1,096.71 is: 1,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.23 : 2,287.05 = 1,096.71 : x
  2. Step 2: Convert to fraction form
    1,657.23/2,287.05 = 1,096.71/x
  3. Step 3: Cross multiply
    1,657.23x = 2,287.05 × 1,096.71
  4. Step 4: Simplify right side
    1,657.23x = 2,508,230.61
  5. Step 5: Solve for x
    x = 2,508,230.61/1,657.23
  6. Step 6: Final answer
    x = 1,513.51

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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.