Home / 7,217.21-9,958.67-4,383.10

Finding the Fourth Proportional to 7,217.21, 9,958.67 and 4,383.10

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Solution

The fourth proportional to 7,217.21, 9,958.67 and 4,383.10 is: 6,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.21 : 9,958.67 = 4,383.10 : x
  2. Step 2: Convert to fraction form
    7,217.21/9,958.67 = 4,383.10/x
  3. Step 3: Cross multiply
    7,217.21x = 9,958.67 × 4,383.10
  4. Step 4: Simplify right side
    7,217.21x = 43,649,799.66
  5. Step 5: Solve for x
    x = 43,649,799.66/7,217.21
  6. Step 6: Final answer
    x = 6,048.02

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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.