Home / 7,276.17-10,040.42-4,131.75

Finding the Fourth Proportional to 7,276.17, 10,040.42 and 4,131.75

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Solution

The fourth proportional to 7,276.17, 10,040.42 and 4,131.75 is: 5,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.17 : 10,040.42 = 4,131.75 : x
  2. Step 2: Convert to fraction form
    7,276.17/10,040.42 = 4,131.75/x
  3. Step 3: Cross multiply
    7,276.17x = 10,040.42 × 4,131.75
  4. Step 4: Simplify right side
    7,276.17x = 41,484,484.68
  5. Step 5: Solve for x
    x = 41,484,484.68/7,276.17
  6. Step 6: Final answer
    x = 5,701.42

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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.