Home / 7,325.20-10,108.75-3,967.93

Finding the Fourth Proportional to 7,325.20, 10,108.75 and 3,967.93

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Solution

The fourth proportional to 7,325.20, 10,108.75 and 3,967.93 is: 5,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.20 : 10,108.75 = 3,967.93 : x
  2. Step 2: Convert to fraction form
    7,325.20/10,108.75 = 3,967.93/x
  3. Step 3: Cross multiply
    7,325.20x = 10,108.75 × 3,967.93
  4. Step 4: Simplify right side
    7,325.20x = 40,110,812.39
  5. Step 5: Solve for x
    x = 40,110,812.39/7,325.20
  6. Step 6: Final answer
    x = 5,475.73

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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.