Home / 2,184.50-3,275.95-723.22

Finding the Fourth Proportional to 2,184.50, 3,275.95 and 723.22

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Solution

The fourth proportional to 2,184.50, 3,275.95 and 723.22 is: 1,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.50 : 3,275.95 = 723.22 : x
  2. Step 2: Convert to fraction form
    2,184.50/3,275.95 = 723.22/x
  3. Step 3: Cross multiply
    2,184.50x = 3,275.95 × 723.22
  4. Step 4: Simplify right side
    2,184.50x = 2,369,232.56
  5. Step 5: Solve for x
    x = 2,369,232.56/2,184.50
  6. Step 6: Final answer
    x = 1,084.57

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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.