Home / 9,158.40-13,733.06-2,917.60

Finding the Fourth Proportional to 9,158.40, 13,733.06 and 2,917.60

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Solution

The fourth proportional to 9,158.40, 13,733.06 and 2,917.60 is: 4,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.40 : 13,733.06 = 2,917.60 : x
  2. Step 2: Convert to fraction form
    9,158.40/13,733.06 = 2,917.60/x
  3. Step 3: Cross multiply
    9,158.40x = 13,733.06 × 2,917.60
  4. Step 4: Simplify right side
    9,158.40x = 40,067,526.94
  5. Step 5: Solve for x
    x = 40,067,526.94/9,158.40
  6. Step 6: Final answer
    x = 4,374.95

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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.