Home / 5,590.29-8,378.30-2,622.19

Finding the Fourth Proportional to 5,590.29, 8,378.30 and 2,622.19

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Solution

The fourth proportional to 5,590.29, 8,378.30 and 2,622.19 is: 3,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.29 : 8,378.30 = 2,622.19 : x
  2. Step 2: Convert to fraction form
    5,590.29/8,378.30 = 2,622.19/x
  3. Step 3: Cross multiply
    5,590.29x = 8,378.30 × 2,622.19
  4. Step 4: Simplify right side
    5,590.29x = 21,969,494.48
  5. Step 5: Solve for x
    x = 21,969,494.48/5,590.29
  6. Step 6: Final answer
    x = 3,929.94

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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.