Home / 3,652.85-5,043.36-2,812.07

Finding the Fourth Proportional to 3,652.85, 5,043.36 and 2,812.07

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Solution

The fourth proportional to 3,652.85, 5,043.36 and 2,812.07 is: 3,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.85 : 5,043.36 = 2,812.07 : x
  2. Step 2: Convert to fraction form
    3,652.85/5,043.36 = 2,812.07/x
  3. Step 3: Cross multiply
    3,652.85x = 5,043.36 × 2,812.07
  4. Step 4: Simplify right side
    3,652.85x = 14,182,281.36
  5. Step 5: Solve for x
    x = 14,182,281.36/3,652.85
  6. Step 6: Final answer
    x = 3,882.52

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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.