Home / 1,876.74-2,811.42-1,052.52

Finding the Fourth Proportional to 1,876.74, 2,811.42 and 1,052.52

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Solution

The fourth proportional to 1,876.74, 2,811.42 and 1,052.52 is: 1,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.74 : 2,811.42 = 1,052.52 : x
  2. Step 2: Convert to fraction form
    1,876.74/2,811.42 = 1,052.52/x
  3. Step 3: Cross multiply
    1,876.74x = 2,811.42 × 1,052.52
  4. Step 4: Simplify right side
    1,876.74x = 2,959,075.78
  5. Step 5: Solve for x
    x = 2,959,075.78/1,876.74
  6. Step 6: Final answer
    x = 1,576.71

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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.