Home / 3,522.86-5,285.16-1,057.70

Finding the Fourth Proportional to 3,522.86, 5,285.16 and 1,057.70

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Solution

The fourth proportional to 3,522.86, 5,285.16 and 1,057.70 is: 1,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.86 : 5,285.16 = 1,057.70 : x
  2. Step 2: Convert to fraction form
    3,522.86/5,285.16 = 1,057.70/x
  3. Step 3: Cross multiply
    3,522.86x = 5,285.16 × 1,057.70
  4. Step 4: Simplify right side
    3,522.86x = 5,590,113.73
  5. Step 5: Solve for x
    x = 5,590,113.73/3,522.86
  6. Step 6: Final answer
    x = 1,586.81

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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.