Home / 2,074.02-3,106.68-1,251.85

Finding the Fourth Proportional to 2,074.02, 3,106.68 and 1,251.85

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Solution

The fourth proportional to 2,074.02, 3,106.68 and 1,251.85 is: 1,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.02 : 3,106.68 = 1,251.85 : x
  2. Step 2: Convert to fraction form
    2,074.02/3,106.68 = 1,251.85/x
  3. Step 3: Cross multiply
    2,074.02x = 3,106.68 × 1,251.85
  4. Step 4: Simplify right side
    2,074.02x = 3,889,097.36
  5. Step 5: Solve for x
    x = 3,889,097.36/2,074.02
  6. Step 6: Final answer
    x = 1,875.15

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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.