Home / 5,354.71-7,389.30-2,996.88

Finding the Fourth Proportional to 5,354.71, 7,389.30 and 2,996.88

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Solution

The fourth proportional to 5,354.71, 7,389.30 and 2,996.88 is: 4,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.71 : 7,389.30 = 2,996.88 : x
  2. Step 2: Convert to fraction form
    5,354.71/7,389.30 = 2,996.88/x
  3. Step 3: Cross multiply
    5,354.71x = 7,389.30 × 2,996.88
  4. Step 4: Simplify right side
    5,354.71x = 22,144,845.38
  5. Step 5: Solve for x
    x = 22,144,845.38/5,354.71
  6. Step 6: Final answer
    x = 4,135.58

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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.