Home / 5,345.22-7,376.33-3,107.90

Finding the Fourth Proportional to 5,345.22, 7,376.33 and 3,107.90

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Solution

The fourth proportional to 5,345.22, 7,376.33 and 3,107.90 is: 4,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.22 : 7,376.33 = 3,107.90 : x
  2. Step 2: Convert to fraction form
    5,345.22/7,376.33 = 3,107.90/x
  3. Step 3: Cross multiply
    5,345.22x = 7,376.33 × 3,107.90
  4. Step 4: Simplify right side
    5,345.22x = 22,924,922.22
  5. Step 5: Solve for x
    x = 22,924,922.22/5,345.22
  6. Step 6: Final answer
    x = 4,288.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.