Home / 5,927.78-8,180.34-3,275.19

Finding the Fourth Proportional to 5,927.78, 8,180.34 and 3,275.19

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Solution

The fourth proportional to 5,927.78, 8,180.34 and 3,275.19 is: 4,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.78 : 8,180.34 = 3,275.19 : x
  2. Step 2: Convert to fraction form
    5,927.78/8,180.34 = 3,275.19/x
  3. Step 3: Cross multiply
    5,927.78x = 8,180.34 × 3,275.19
  4. Step 4: Simplify right side
    5,927.78x = 26,792,167.76
  5. Step 5: Solve for x
    x = 26,792,167.76/5,927.78
  6. Step 6: Final answer
    x = 4,519.76

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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.