Home / 7,401.20-10,213.77-4,043.99

Finding the Fourth Proportional to 7,401.20, 10,213.77 and 4,043.99

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Solution

The fourth proportional to 7,401.20, 10,213.77 and 4,043.99 is: 5,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.20 : 10,213.77 = 4,043.99 : x
  2. Step 2: Convert to fraction form
    7,401.20/10,213.77 = 4,043.99/x
  3. Step 3: Cross multiply
    7,401.20x = 10,213.77 × 4,043.99
  4. Step 4: Simplify right side
    7,401.20x = 41,304,383.74
  5. Step 5: Solve for x
    x = 41,304,383.74/7,401.20
  6. Step 6: Final answer
    x = 5,580.77

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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.