Home / 6,267.10-8,649.81-4,142.75

Finding the Fourth Proportional to 6,267.10, 8,649.81 and 4,142.75

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Solution

The fourth proportional to 6,267.10, 8,649.81 and 4,142.75 is: 5,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.10 : 8,649.81 = 4,142.75 : x
  2. Step 2: Convert to fraction form
    6,267.10/8,649.81 = 4,142.75/x
  3. Step 3: Cross multiply
    6,267.10x = 8,649.81 × 4,142.75
  4. Step 4: Simplify right side
    6,267.10x = 35,833,968.78
  5. Step 5: Solve for x
    x = 35,833,968.78/6,267.10
  6. Step 6: Final answer
    x = 5,717.79

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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.