Home / 2,184.12-3,275.48-722.96

Finding the Fourth Proportional to 2,184.12, 3,275.48 and 722.96

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Solution

The fourth proportional to 2,184.12, 3,275.48 and 722.96 is: 1,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.12 : 3,275.48 = 722.96 : x
  2. Step 2: Convert to fraction form
    2,184.12/3,275.48 = 722.96/x
  3. Step 3: Cross multiply
    2,184.12x = 3,275.48 × 722.96
  4. Step 4: Simplify right side
    2,184.12x = 2,368,041.02
  5. Step 5: Solve for x
    x = 2,368,041.02/2,184.12
  6. Step 6: Final answer
    x = 1,084.21

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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.