Home / 2,185.32-3,013.98-1,344.53

Finding the Fourth Proportional to 2,185.32, 3,013.98 and 1,344.53

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Solution

The fourth proportional to 2,185.32, 3,013.98 and 1,344.53 is: 1,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.32 : 3,013.98 = 1,344.53 : x
  2. Step 2: Convert to fraction form
    2,185.32/3,013.98 = 1,344.53/x
  3. Step 3: Cross multiply
    2,185.32x = 3,013.98 × 1,344.53
  4. Step 4: Simplify right side
    2,185.32x = 4,052,371.46
  5. Step 5: Solve for x
    x = 4,052,371.46/2,185.32
  6. Step 6: Final answer
    x = 1,854.36

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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.