Home / 2,159.06-3,236.15-1,002.38

Finding the Fourth Proportional to 2,159.06, 3,236.15 and 1,002.38

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Solution

The fourth proportional to 2,159.06, 3,236.15 and 1,002.38 is: 1,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.06 : 3,236.15 = 1,002.38 : x
  2. Step 2: Convert to fraction form
    2,159.06/3,236.15 = 1,002.38/x
  3. Step 3: Cross multiply
    2,159.06x = 3,236.15 × 1,002.38
  4. Step 4: Simplify right side
    2,159.06x = 3,243,838.36
  5. Step 5: Solve for x
    x = 3,243,838.36/2,159.06
  6. Step 6: Final answer
    x = 1,502.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.