Home / 4,182.90-5,772.21-2,320.02

Finding the Fourth Proportional to 4,182.90, 5,772.21 and 2,320.02

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Solution

The fourth proportional to 4,182.90, 5,772.21 and 2,320.02 is: 3,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.90 : 5,772.21 = 2,320.02 : x
  2. Step 2: Convert to fraction form
    4,182.90/5,772.21 = 2,320.02/x
  3. Step 3: Cross multiply
    4,182.90x = 5,772.21 × 2,320.02
  4. Step 4: Simplify right side
    4,182.90x = 13,391,642.64
  5. Step 5: Solve for x
    x = 13,391,642.64/4,182.90
  6. Step 6: Final answer
    x = 3,201.52

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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.