Home / 7,400.91-10,213.31-4,043.66

Finding the Fourth Proportional to 7,400.91, 10,213.31 and 4,043.66

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Solution

The fourth proportional to 7,400.91, 10,213.31 and 4,043.66 is: 5,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.91 : 10,213.31 = 4,043.66 : x
  2. Step 2: Convert to fraction form
    7,400.91/10,213.31 = 4,043.66/x
  3. Step 3: Cross multiply
    7,400.91x = 10,213.31 × 4,043.66
  4. Step 4: Simplify right side
    7,400.91x = 41,299,153.11
  5. Step 5: Solve for x
    x = 41,299,153.11/7,400.91
  6. Step 6: Final answer
    x = 5,580.28

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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.