Home / 5,608.10-7,738.88-3,251

Finding the Fourth Proportional to 5,608.10, 7,738.88 and 3,251

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Solution

The fourth proportional to 5,608.10, 7,738.88 and 3,251 is: 4,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.10 : 7,738.88 = 3,251 : x
  2. Step 2: Convert to fraction form
    5,608.10/7,738.88 = 3,251/x
  3. Step 3: Cross multiply
    5,608.10x = 7,738.88 × 3,251
  4. Step 4: Simplify right side
    5,608.10x = 25,159,098.88
  5. Step 5: Solve for x
    x = 25,159,098.88/5,608.10
  6. Step 6: Final answer
    x = 4,486.21

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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.