Home / 5,337.20-8,009.52-1,874.72

Finding the Fourth Proportional to 5,337.20, 8,009.52 and 1,874.72

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Solution

The fourth proportional to 5,337.20, 8,009.52 and 1,874.72 is: 2,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.20 : 8,009.52 = 1,874.72 : x
  2. Step 2: Convert to fraction form
    5,337.20/8,009.52 = 1,874.72/x
  3. Step 3: Cross multiply
    5,337.20x = 8,009.52 × 1,874.72
  4. Step 4: Simplify right side
    5,337.20x = 15,015,607.33
  5. Step 5: Solve for x
    x = 15,015,607.33/5,337.20
  6. Step 6: Final answer
    x = 2,813.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.