Home / 6,144.56-8,476.26-4,155.79

Finding the Fourth Proportional to 6,144.56, 8,476.26 and 4,155.79

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Solution

The fourth proportional to 6,144.56, 8,476.26 and 4,155.79 is: 5,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.56 : 8,476.26 = 4,155.79 : x
  2. Step 2: Convert to fraction form
    6,144.56/8,476.26 = 4,155.79/x
  3. Step 3: Cross multiply
    6,144.56x = 8,476.26 × 4,155.79
  4. Step 4: Simplify right side
    6,144.56x = 35,225,514.16
  5. Step 5: Solve for x
    x = 35,225,514.16/6,144.56
  6. Step 6: Final answer
    x = 5,732.80

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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.