Home / 3,102.52-4,281.06-1,776.04

Finding the Fourth Proportional to 3,102.52, 4,281.06 and 1,776.04

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Solution

The fourth proportional to 3,102.52, 4,281.06 and 1,776.04 is: 2,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.52 : 4,281.06 = 1,776.04 : x
  2. Step 2: Convert to fraction form
    3,102.52/4,281.06 = 1,776.04/x
  3. Step 3: Cross multiply
    3,102.52x = 4,281.06 × 1,776.04
  4. Step 4: Simplify right side
    3,102.52x = 7,603,333.80
  5. Step 5: Solve for x
    x = 7,603,333.80/3,102.52
  6. Step 6: Final answer
    x = 2,450.70

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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.