Home / 3,522.96-5,283.80-1,057.20

Finding the Fourth Proportional to 3,522.96, 5,283.80 and 1,057.20

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Solution

The fourth proportional to 3,522.96, 5,283.80 and 1,057.20 is: 1,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.96 : 5,283.80 = 1,057.20 : x
  2. Step 2: Convert to fraction form
    3,522.96/5,283.80 = 1,057.20/x
  3. Step 3: Cross multiply
    3,522.96x = 5,283.80 × 1,057.20
  4. Step 4: Simplify right side
    3,522.96x = 5,586,033.36
  5. Step 5: Solve for x
    x = 5,586,033.36/3,522.96
  6. Step 6: Final answer
    x = 1,585.61

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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.