Home / 2,291.04-3,160.62-1,359

Finding the Fourth Proportional to 2,291.04, 3,160.62 and 1,359

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Solution

The fourth proportional to 2,291.04, 3,160.62 and 1,359 is: 1,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.04 : 3,160.62 = 1,359 : x
  2. Step 2: Convert to fraction form
    2,291.04/3,160.62 = 1,359/x
  3. Step 3: Cross multiply
    2,291.04x = 3,160.62 × 1,359
  4. Step 4: Simplify right side
    2,291.04x = 4,295,282.58
  5. Step 5: Solve for x
    x = 4,295,282.58/2,291.04
  6. Step 6: Final answer
    x = 1,874.82

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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.