Home / 2,948.11-4,068.35-1,621.73

Finding the Fourth Proportional to 2,948.11, 4,068.35 and 1,621.73

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Solution

The fourth proportional to 2,948.11, 4,068.35 and 1,621.73 is: 2,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.11 : 4,068.35 = 1,621.73 : x
  2. Step 2: Convert to fraction form
    2,948.11/4,068.35 = 1,621.73/x
  3. Step 3: Cross multiply
    2,948.11x = 4,068.35 × 1,621.73
  4. Step 4: Simplify right side
    2,948.11x = 6,597,767.31
  5. Step 5: Solve for x
    x = 6,597,767.31/2,948.11
  6. Step 6: Final answer
    x = 2,237.97

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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.