Home / 7,958.20-10,981.50-4,600.36

Finding the Fourth Proportional to 7,958.20, 10,981.50 and 4,600.36

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Solution

The fourth proportional to 7,958.20, 10,981.50 and 4,600.36 is: 6,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.20 : 10,981.50 = 4,600.36 : x
  2. Step 2: Convert to fraction form
    7,958.20/10,981.50 = 4,600.36/x
  3. Step 3: Cross multiply
    7,958.20x = 10,981.50 × 4,600.36
  4. Step 4: Simplify right side
    7,958.20x = 50,518,853.34
  5. Step 5: Solve for x
    x = 50,518,853.34/7,958.20
  6. Step 6: Final answer
    x = 6,348.03

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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.