Home / 5,712.73-7,886.46-3,591.34

Finding the Fourth Proportional to 5,712.73, 7,886.46 and 3,591.34

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Solution

The fourth proportional to 5,712.73, 7,886.46 and 3,591.34 is: 4,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.73 : 7,886.46 = 3,591.34 : x
  2. Step 2: Convert to fraction form
    5,712.73/7,886.46 = 3,591.34/x
  3. Step 3: Cross multiply
    5,712.73x = 7,886.46 × 3,591.34
  4. Step 4: Simplify right side
    5,712.73x = 28,322,953.01
  5. Step 5: Solve for x
    x = 28,322,953.01/5,712.73
  6. Step 6: Final answer
    x = 4,957.87

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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.