Home / 3,917.19-5,878.40-1,452.03

Finding the Fourth Proportional to 3,917.19, 5,878.40 and 1,452.03

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Solution

The fourth proportional to 3,917.19, 5,878.40 and 1,452.03 is: 2,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.19 : 5,878.40 = 1,452.03 : x
  2. Step 2: Convert to fraction form
    3,917.19/5,878.40 = 1,452.03/x
  3. Step 3: Cross multiply
    3,917.19x = 5,878.40 × 1,452.03
  4. Step 4: Simplify right side
    3,917.19x = 8,535,583.76
  5. Step 5: Solve for x
    x = 8,535,583.76/3,917.19
  6. Step 6: Final answer
    x = 2,179.01

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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.