Home / 6,617.56-9,131.70-3,823.24

Finding the Fourth Proportional to 6,617.56, 9,131.70 and 3,823.24

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Solution

The fourth proportional to 6,617.56, 9,131.70 and 3,823.24 is: 5,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.56 : 9,131.70 = 3,823.24 : x
  2. Step 2: Convert to fraction form
    6,617.56/9,131.70 = 3,823.24/x
  3. Step 3: Cross multiply
    6,617.56x = 9,131.70 × 3,823.24
  4. Step 4: Simplify right side
    6,617.56x = 34,912,680.71
  5. Step 5: Solve for x
    x = 34,912,680.71/6,617.56
  6. Step 6: Final answer
    x = 5,275.76

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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.