Home / 5,005.80-7,502.70-2,226.60

Finding the Fourth Proportional to 5,005.80, 7,502.70 and 2,226.60

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Solution

The fourth proportional to 5,005.80, 7,502.70 and 2,226.60 is: 3,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.80 : 7,502.70 = 2,226.60 : x
  2. Step 2: Convert to fraction form
    5,005.80/7,502.70 = 2,226.60/x
  3. Step 3: Cross multiply
    5,005.80x = 7,502.70 × 2,226.60
  4. Step 4: Simplify right side
    5,005.80x = 16,705,511.82
  5. Step 5: Solve for x
    x = 16,705,511.82/5,005.80
  6. Step 6: Final answer
    x = 3,337.23

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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.