Home / 1,657.47-2,282.40-1,132.59

Finding the Fourth Proportional to 1,657.47, 2,282.40 and 1,132.59

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Solution

The fourth proportional to 1,657.47, 2,282.40 and 1,132.59 is: 1,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.47 : 2,282.40 = 1,132.59 : x
  2. Step 2: Convert to fraction form
    1,657.47/2,282.40 = 1,132.59/x
  3. Step 3: Cross multiply
    1,657.47x = 2,282.40 × 1,132.59
  4. Step 4: Simplify right side
    1,657.47x = 2,585,023.42
  5. Step 5: Solve for x
    x = 2,585,023.42/1,657.47
  6. Step 6: Final answer
    x = 1,559.62

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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.