Home / 3,217.98-4,440.42-1,801.74

Finding the Fourth Proportional to 3,217.98, 4,440.42 and 1,801.74

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Solution

The fourth proportional to 3,217.98, 4,440.42 and 1,801.74 is: 2,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.98 : 4,440.42 = 1,801.74 : x
  2. Step 2: Convert to fraction form
    3,217.98/4,440.42 = 1,801.74/x
  3. Step 3: Cross multiply
    3,217.98x = 4,440.42 × 1,801.74
  4. Step 4: Simplify right side
    3,217.98x = 8,000,482.33
  5. Step 5: Solve for x
    x = 8,000,482.33/3,217.98
  6. Step 6: Final answer
    x = 2,486.18

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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.