Home / 1,838.43-2,537.62-1,177.06

Finding the Fourth Proportional to 1,838.43, 2,537.62 and 1,177.06

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Solution

The fourth proportional to 1,838.43, 2,537.62 and 1,177.06 is: 1,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.43 : 2,537.62 = 1,177.06 : x
  2. Step 2: Convert to fraction form
    1,838.43/2,537.62 = 1,177.06/x
  3. Step 3: Cross multiply
    1,838.43x = 2,537.62 × 1,177.06
  4. Step 4: Simplify right side
    1,838.43x = 2,986,931.00
  5. Step 5: Solve for x
    x = 2,986,931.00/1,838.43
  6. Step 6: Final answer
    x = 1,624.72

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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.