Home / 7,350.56-11,027.20-2,420.40

Finding the Fourth Proportional to 7,350.56, 11,027.20 and 2,420.40

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Solution

The fourth proportional to 7,350.56, 11,027.20 and 2,420.40 is: 3,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.56 : 11,027.20 = 2,420.40 : x
  2. Step 2: Convert to fraction form
    7,350.56/11,027.20 = 2,420.40/x
  3. Step 3: Cross multiply
    7,350.56x = 11,027.20 × 2,420.40
  4. Step 4: Simplify right side
    7,350.56x = 26,690,234.88
  5. Step 5: Solve for x
    x = 26,690,234.88/7,350.56
  6. Step 6: Final answer
    x = 3,631.05

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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.