Home / 5,616.25-7,750.67-3,132.25

Finding the Fourth Proportional to 5,616.25, 7,750.67 and 3,132.25

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Solution

The fourth proportional to 5,616.25, 7,750.67 and 3,132.25 is: 4,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.25 : 7,750.67 = 3,132.25 : x
  2. Step 2: Convert to fraction form
    5,616.25/7,750.67 = 3,132.25/x
  3. Step 3: Cross multiply
    5,616.25x = 7,750.67 × 3,132.25
  4. Step 4: Simplify right side
    5,616.25x = 24,277,020.45
  5. Step 5: Solve for x
    x = 24,277,020.45/5,616.25
  6. Step 6: Final answer
    x = 4,322.64

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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.