Home / 2,957.73-4,081.53-1,631.19

Finding the Fourth Proportional to 2,957.73, 4,081.53 and 1,631.19

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Solution

The fourth proportional to 2,957.73, 4,081.53 and 1,631.19 is: 2,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.73 : 4,081.53 = 1,631.19 : x
  2. Step 2: Convert to fraction form
    2,957.73/4,081.53 = 1,631.19/x
  3. Step 3: Cross multiply
    2,957.73x = 4,081.53 × 1,631.19
  4. Step 4: Simplify right side
    2,957.73x = 6,657,750.92
  5. Step 5: Solve for x
    x = 6,657,750.92/2,957.73
  6. Step 6: Final answer
    x = 2,250.97

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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.