Home / 4,411.90-6,615.86-3,174.12

Finding the Fourth Proportional to 4,411.90, 6,615.86 and 3,174.12

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Solution

The fourth proportional to 4,411.90, 6,615.86 and 3,174.12 is: 4,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.90 : 6,615.86 = 3,174.12 : x
  2. Step 2: Convert to fraction form
    4,411.90/6,615.86 = 3,174.12/x
  3. Step 3: Cross multiply
    4,411.90x = 6,615.86 × 3,174.12
  4. Step 4: Simplify right side
    4,411.90x = 20,999,517.67
  5. Step 5: Solve for x
    x = 20,999,517.67/4,411.90
  6. Step 6: Final answer
    x = 4,759.74

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1.5x scale

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.