Home / 2,043.12-3,065.19-872.52

Finding the Fourth Proportional to 2,043.12, 3,065.19 and 872.52

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Solution

The fourth proportional to 2,043.12, 3,065.19 and 872.52 is: 1,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.12 : 3,065.19 = 872.52 : x
  2. Step 2: Convert to fraction form
    2,043.12/3,065.19 = 872.52/x
  3. Step 3: Cross multiply
    2,043.12x = 3,065.19 × 872.52
  4. Step 4: Simplify right side
    2,043.12x = 2,674,439.58
  5. Step 5: Solve for x
    x = 2,674,439.58/2,043.12
  6. Step 6: Final answer
    x = 1,309.00

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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.