Home / 2,332.75-3,219.20-1,284.81

Finding the Fourth Proportional to 2,332.75, 3,219.20 and 1,284.81

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Solution

The fourth proportional to 2,332.75, 3,219.20 and 1,284.81 is: 1,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.75 : 3,219.20 = 1,284.81 : x
  2. Step 2: Convert to fraction form
    2,332.75/3,219.20 = 1,284.81/x
  3. Step 3: Cross multiply
    2,332.75x = 3,219.20 × 1,284.81
  4. Step 4: Simplify right side
    2,332.75x = 4,136,061.98
  5. Step 5: Solve for x
    x = 4,136,061.98/2,332.75
  6. Step 6: Final answer
    x = 1,773.04

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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.