Home / 7,351.65-10,144.71-4,518.72

Finding the Fourth Proportional to 7,351.65, 10,144.71 and 4,518.72

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Solution

The fourth proportional to 7,351.65, 10,144.71 and 4,518.72 is: 6,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.65 : 10,144.71 = 4,518.72 : x
  2. Step 2: Convert to fraction form
    7,351.65/10,144.71 = 4,518.72/x
  3. Step 3: Cross multiply
    7,351.65x = 10,144.71 × 4,518.72
  4. Step 4: Simplify right side
    7,351.65x = 45,841,103.97
  5. Step 5: Solve for x
    x = 45,841,103.97/7,351.65
  6. Step 6: Final answer
    x = 6,235.49

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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.