Home / 4,079.57-6,120.14-1,306.01

Finding the Fourth Proportional to 4,079.57, 6,120.14 and 1,306.01

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Solution

The fourth proportional to 4,079.57, 6,120.14 and 1,306.01 is: 1,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.57 : 6,120.14 = 1,306.01 : x
  2. Step 2: Convert to fraction form
    4,079.57/6,120.14 = 1,306.01/x
  3. Step 3: Cross multiply
    4,079.57x = 6,120.14 × 1,306.01
  4. Step 4: Simplify right side
    4,079.57x = 7,992,972.81
  5. Step 5: Solve for x
    x = 7,992,972.81/4,079.57
  6. Step 6: Final answer
    x = 1,959.27

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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.