Home / 4,891.11-7,321.80-2,693.17

Finding the Fourth Proportional to 4,891.11, 7,321.80 and 2,693.17

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Solution

The fourth proportional to 4,891.11, 7,321.80 and 2,693.17 is: 4,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.11 : 7,321.80 = 2,693.17 : x
  2. Step 2: Convert to fraction form
    4,891.11/7,321.80 = 2,693.17/x
  3. Step 3: Cross multiply
    4,891.11x = 7,321.80 × 2,693.17
  4. Step 4: Simplify right side
    4,891.11x = 19,718,852.11
  5. Step 5: Solve for x
    x = 19,718,852.11/4,891.11
  6. Step 6: Final answer
    x = 4,031.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.