Home / 5,672.30-7,827.59-3,154.48

Finding the Fourth Proportional to 5,672.30, 7,827.59 and 3,154.48

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Solution

The fourth proportional to 5,672.30, 7,827.59 and 3,154.48 is: 4,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.30 : 7,827.59 = 3,154.48 : x
  2. Step 2: Convert to fraction form
    5,672.30/7,827.59 = 3,154.48/x
  3. Step 3: Cross multiply
    5,672.30x = 7,827.59 × 3,154.48
  4. Step 4: Simplify right side
    5,672.30x = 24,691,964.42
  5. Step 5: Solve for x
    x = 24,691,964.42/5,672.30
  6. Step 6: Final answer
    x = 4,353.08

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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.