Home / 2,883.15-3,976.90-1,763.46

Finding the Fourth Proportional to 2,883.15, 3,976.90 and 1,763.46

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Solution

The fourth proportional to 2,883.15, 3,976.90 and 1,763.46 is: 2,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.15 : 3,976.90 = 1,763.46 : x
  2. Step 2: Convert to fraction form
    2,883.15/3,976.90 = 1,763.46/x
  3. Step 3: Cross multiply
    2,883.15x = 3,976.90 × 1,763.46
  4. Step 4: Simplify right side
    2,883.15x = 7,013,099.67
  5. Step 5: Solve for x
    x = 7,013,099.67/2,883.15
  6. Step 6: Final answer
    x = 2,432.44

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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.