Home / 5,590.50-8,377.95-4,202.21

Finding the Fourth Proportional to 5,590.50, 8,377.95 and 4,202.21

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Solution

The fourth proportional to 5,590.50, 8,377.95 and 4,202.21 is: 6,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.50 : 8,377.95 = 4,202.21 : x
  2. Step 2: Convert to fraction form
    5,590.50/8,377.95 = 4,202.21/x
  3. Step 3: Cross multiply
    5,590.50x = 8,377.95 × 4,202.21
  4. Step 4: Simplify right side
    5,590.50x = 35,205,863.38
  5. Step 5: Solve for x
    x = 35,205,863.38/5,590.50
  6. Step 6: Final answer
    x = 6,297.44

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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.