Home / 2,877.69-4,312.92-1,232.31

Finding the Fourth Proportional to 2,877.69, 4,312.92 and 1,232.31

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Solution

The fourth proportional to 2,877.69, 4,312.92 and 1,232.31 is: 1,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.69 : 4,312.92 = 1,232.31 : x
  2. Step 2: Convert to fraction form
    2,877.69/4,312.92 = 1,232.31/x
  3. Step 3: Cross multiply
    2,877.69x = 4,312.92 × 1,232.31
  4. Step 4: Simplify right side
    2,877.69x = 5,314,854.45
  5. Step 5: Solve for x
    x = 5,314,854.45/2,877.69
  6. Step 6: Final answer
    x = 1,846.92

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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.