Home / 5,913.75-8,160.80-3,261.16

Finding the Fourth Proportional to 5,913.75, 8,160.80 and 3,261.16

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Solution

The fourth proportional to 5,913.75, 8,160.80 and 3,261.16 is: 4,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.75 : 8,160.80 = 3,261.16 : x
  2. Step 2: Convert to fraction form
    5,913.75/8,160.80 = 3,261.16/x
  3. Step 3: Cross multiply
    5,913.75x = 8,160.80 × 3,261.16
  4. Step 4: Simplify right side
    5,913.75x = 26,613,645.97
  5. Step 5: Solve for x
    x = 26,613,645.97/5,913.75
  6. Step 6: Final answer
    x = 4,500.30

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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.