Home / 5,248.96-7,873.66-1,961.72

Finding the Fourth Proportional to 5,248.96, 7,873.66 and 1,961.72

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Solution

The fourth proportional to 5,248.96, 7,873.66 and 1,961.72 is: 2,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.96 : 7,873.66 = 1,961.72 : x
  2. Step 2: Convert to fraction form
    5,248.96/7,873.66 = 1,961.72/x
  3. Step 3: Cross multiply
    5,248.96x = 7,873.66 × 1,961.72
  4. Step 4: Simplify right side
    5,248.96x = 15,445,916.30
  5. Step 5: Solve for x
    x = 15,445,916.30/5,248.96
  6. Step 6: Final answer
    x = 2,942.66

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1.5x scale

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.