Home / 3,065.81-4,227.32-2,518.47

Finding the Fourth Proportional to 3,065.81, 4,227.32 and 2,518.47

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Solution

The fourth proportional to 3,065.81, 4,227.32 and 2,518.47 is: 3,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.81 : 4,227.32 = 2,518.47 : x
  2. Step 2: Convert to fraction form
    3,065.81/4,227.32 = 2,518.47/x
  3. Step 3: Cross multiply
    3,065.81x = 4,227.32 × 2,518.47
  4. Step 4: Simplify right side
    3,065.81x = 10,646,384.90
  5. Step 5: Solve for x
    x = 10,646,384.90/3,065.81
  6. Step 6: Final answer
    x = 3,472.62

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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.