Home / 3,425.89-4,720.75-2,363.98

Finding the Fourth Proportional to 3,425.89, 4,720.75 and 2,363.98

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Solution

The fourth proportional to 3,425.89, 4,720.75 and 2,363.98 is: 3,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.89 : 4,720.75 = 2,363.98 : x
  2. Step 2: Convert to fraction form
    3,425.89/4,720.75 = 2,363.98/x
  3. Step 3: Cross multiply
    3,425.89x = 4,720.75 × 2,363.98
  4. Step 4: Simplify right side
    3,425.89x = 11,159,723.16
  5. Step 5: Solve for x
    x = 11,159,723.16/3,425.89
  6. Step 6: Final answer
    x = 3,257.47

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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.