Home / 2,283.64-3,423.30-1,128.04

Finding the Fourth Proportional to 2,283.64, 3,423.30 and 1,128.04

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Solution

The fourth proportional to 2,283.64, 3,423.30 and 1,128.04 is: 1,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.64 : 3,423.30 = 1,128.04 : x
  2. Step 2: Convert to fraction form
    2,283.64/3,423.30 = 1,128.04/x
  3. Step 3: Cross multiply
    2,283.64x = 3,423.30 × 1,128.04
  4. Step 4: Simplify right side
    2,283.64x = 3,861,619.33
  5. Step 5: Solve for x
    x = 3,861,619.33/2,283.64
  6. Step 6: Final answer
    x = 1,690.99

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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.