Home / 2,282.50-3,156.33-2,179.36

Finding the Fourth Proportional to 2,282.50, 3,156.33 and 2,179.36

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Solution

The fourth proportional to 2,282.50, 3,156.33 and 2,179.36 is: 3,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.50 : 3,156.33 = 2,179.36 : x
  2. Step 2: Convert to fraction form
    2,282.50/3,156.33 = 2,179.36/x
  3. Step 3: Cross multiply
    2,282.50x = 3,156.33 × 2,179.36
  4. Step 4: Simplify right side
    2,282.50x = 6,878,779.35
  5. Step 5: Solve for x
    x = 6,878,779.35/2,282.50
  6. Step 6: Final answer
    x = 3,013.70

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1.5x scale

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.