Home / 7,327.85-10,990.35-3,575.86

Finding the Fourth Proportional to 7,327.85, 10,990.35 and 3,575.86

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Solution

The fourth proportional to 7,327.85, 10,990.35 and 3,575.86 is: 5,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.85 : 10,990.35 = 3,575.86 : x
  2. Step 2: Convert to fraction form
    7,327.85/10,990.35 = 3,575.86/x
  3. Step 3: Cross multiply
    7,327.85x = 10,990.35 × 3,575.86
  4. Step 4: Simplify right side
    7,327.85x = 39,299,898.00
  5. Step 5: Solve for x
    x = 39,299,898.00/7,327.85
  6. Step 6: Final answer
    x = 5,363.09

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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.