Home / 7,945.41-10,964.91-4,408.90

Finding the Fourth Proportional to 7,945.41, 10,964.91 and 4,408.90

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Solution

The fourth proportional to 7,945.41, 10,964.91 and 4,408.90 is: 6,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.41 : 10,964.91 = 4,408.90 : x
  2. Step 2: Convert to fraction form
    7,945.41/10,964.91 = 4,408.90/x
  3. Step 3: Cross multiply
    7,945.41x = 10,964.91 × 4,408.90
  4. Step 4: Simplify right side
    7,945.41x = 48,343,191.70
  5. Step 5: Solve for x
    x = 48,343,191.70/7,945.41
  6. Step 6: Final answer
    x = 6,084.42

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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.