Home / 2,355.71-3,251.88-1,471.32

Finding the Fourth Proportional to 2,355.71, 3,251.88 and 1,471.32

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Solution

The fourth proportional to 2,355.71, 3,251.88 and 1,471.32 is: 2,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.71 : 3,251.88 = 1,471.32 : x
  2. Step 2: Convert to fraction form
    2,355.71/3,251.88 = 1,471.32/x
  3. Step 3: Cross multiply
    2,355.71x = 3,251.88 × 1,471.32
  4. Step 4: Simplify right side
    2,355.71x = 4,784,556.08
  5. Step 5: Solve for x
    x = 4,784,556.08/2,355.71
  6. Step 6: Final answer
    x = 2,031.05

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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.