Home / 5,535.75-7,638.79-3,297.18

Finding the Fourth Proportional to 5,535.75, 7,638.79 and 3,297.18

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Solution

The fourth proportional to 5,535.75, 7,638.79 and 3,297.18 is: 4,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.75 : 7,638.79 = 3,297.18 : x
  2. Step 2: Convert to fraction form
    5,535.75/7,638.79 = 3,297.18/x
  3. Step 3: Cross multiply
    5,535.75x = 7,638.79 × 3,297.18
  4. Step 4: Simplify right side
    5,535.75x = 25,186,465.61
  5. Step 5: Solve for x
    x = 25,186,465.61/5,535.75
  6. Step 6: Final answer
    x = 4,549.78

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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.