Home / 7,430.25-10,253.79-4,073.07

Finding the Fourth Proportional to 7,430.25, 10,253.79 and 4,073.07

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Solution

The fourth proportional to 7,430.25, 10,253.79 and 4,073.07 is: 5,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.25 : 10,253.79 = 4,073.07 : x
  2. Step 2: Convert to fraction form
    7,430.25/10,253.79 = 4,073.07/x
  3. Step 3: Cross multiply
    7,430.25x = 10,253.79 × 4,073.07
  4. Step 4: Simplify right side
    7,430.25x = 41,764,404.44
  5. Step 5: Solve for x
    x = 41,764,404.44/7,430.25
  6. Step 6: Final answer
    x = 5,620.86

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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.