Home / 5,354.60-7,389.40-2,996.86

Finding the Fourth Proportional to 5,354.60, 7,389.40 and 2,996.86

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Solution

The fourth proportional to 5,354.60, 7,389.40 and 2,996.86 is: 4,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.60 : 7,389.40 = 2,996.86 : x
  2. Step 2: Convert to fraction form
    5,354.60/7,389.40 = 2,996.86/x
  3. Step 3: Cross multiply
    5,354.60x = 7,389.40 × 2,996.86
  4. Step 4: Simplify right side
    5,354.60x = 22,144,997.28
  5. Step 5: Solve for x
    x = 22,144,997.28/5,354.60
  6. Step 6: Final answer
    x = 4,135.70

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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.