Home / 2,292.13-3,163.86-1,360.45

Finding the Fourth Proportional to 2,292.13, 3,163.86 and 1,360.45

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Solution

The fourth proportional to 2,292.13, 3,163.86 and 1,360.45 is: 1,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.13 : 3,163.86 = 1,360.45 : x
  2. Step 2: Convert to fraction form
    2,292.13/3,163.86 = 1,360.45/x
  3. Step 3: Cross multiply
    2,292.13x = 3,163.86 × 1,360.45
  4. Step 4: Simplify right side
    2,292.13x = 4,304,250.72
  5. Step 5: Solve for x
    x = 4,304,250.72/2,292.13
  6. Step 6: Final answer
    x = 1,877.84

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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.