Home / 3,271.77-4,515.17-1,874.79

Finding the Fourth Proportional to 3,271.77, 4,515.17 and 1,874.79

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Solution

The fourth proportional to 3,271.77, 4,515.17 and 1,874.79 is: 2,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.77 : 4,515.17 = 1,874.79 : x
  2. Step 2: Convert to fraction form
    3,271.77/4,515.17 = 1,874.79/x
  3. Step 3: Cross multiply
    3,271.77x = 4,515.17 × 1,874.79
  4. Step 4: Simplify right side
    3,271.77x = 8,464,986.19
  5. Step 5: Solve for x
    x = 8,464,986.19/3,271.77
  6. Step 6: Final answer
    x = 2,587.28

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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.