Home / 7,188.01-9,919.46-4,203.29

Finding the Fourth Proportional to 7,188.01, 9,919.46 and 4,203.29

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Solution

The fourth proportional to 7,188.01, 9,919.46 and 4,203.29 is: 5,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.01 : 9,919.46 = 4,203.29 : x
  2. Step 2: Convert to fraction form
    7,188.01/9,919.46 = 4,203.29/x
  3. Step 3: Cross multiply
    7,188.01x = 9,919.46 × 4,203.29
  4. Step 4: Simplify right side
    7,188.01x = 41,694,402.33
  5. Step 5: Solve for x
    x = 41,694,402.33/7,188.01
  6. Step 6: Final answer
    x = 5,800.55

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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.