Home / 2,917.13-4,371.85-1,184.81

Finding the Fourth Proportional to 2,917.13, 4,371.85 and 1,184.81

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Solution

The fourth proportional to 2,917.13, 4,371.85 and 1,184.81 is: 1,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.13 : 4,371.85 = 1,184.81 : x
  2. Step 2: Convert to fraction form
    2,917.13/4,371.85 = 1,184.81/x
  3. Step 3: Cross multiply
    2,917.13x = 4,371.85 × 1,184.81
  4. Step 4: Simplify right side
    2,917.13x = 5,179,811.60
  5. Step 5: Solve for x
    x = 5,179,811.60/2,917.13
  6. Step 6: Final answer
    x = 1,775.65

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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.