Home / 4,101.32-5,661.76-2,777.16

Finding the Fourth Proportional to 4,101.32, 5,661.76 and 2,777.16

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Solution

The fourth proportional to 4,101.32, 5,661.76 and 2,777.16 is: 3,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.32 : 5,661.76 = 2,777.16 : x
  2. Step 2: Convert to fraction form
    4,101.32/5,661.76 = 2,777.16/x
  3. Step 3: Cross multiply
    4,101.32x = 5,661.76 × 2,777.16
  4. Step 4: Simplify right side
    4,101.32x = 15,723,613.40
  5. Step 5: Solve for x
    x = 15,723,613.40/4,101.32
  6. Step 6: Final answer
    x = 3,833.79

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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.