Home / 3,153.18-4,350.60-1,826.82

Finding the Fourth Proportional to 3,153.18, 4,350.60 and 1,826.82

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Solution

The fourth proportional to 3,153.18, 4,350.60 and 1,826.82 is: 2,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.18 : 4,350.60 = 1,826.82 : x
  2. Step 2: Convert to fraction form
    3,153.18/4,350.60 = 1,826.82/x
  3. Step 3: Cross multiply
    3,153.18x = 4,350.60 × 1,826.82
  4. Step 4: Simplify right side
    3,153.18x = 7,947,763.09
  5. Step 5: Solve for x
    x = 7,947,763.09/3,153.18
  6. Step 6: Final answer
    x = 2,520.55

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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.