Home / 3,217.95-4,440.33-1,801.71

Finding the Fourth Proportional to 3,217.95, 4,440.33 and 1,801.71

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Solution

The fourth proportional to 3,217.95, 4,440.33 and 1,801.71 is: 2,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.95 : 4,440.33 = 1,801.71 : x
  2. Step 2: Convert to fraction form
    3,217.95/4,440.33 = 1,801.71/x
  3. Step 3: Cross multiply
    3,217.95x = 4,440.33 × 1,801.71
  4. Step 4: Simplify right side
    3,217.95x = 8,000,186.96
  5. Step 5: Solve for x
    x = 8,000,186.96/3,217.95
  6. Step 6: Final answer
    x = 2,486.11

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1.5x scale

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.