Home / 5,255.47-7,262.99-4,309.80

Finding the Fourth Proportional to 5,255.47, 7,262.99 and 4,309.80

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Solution

The fourth proportional to 5,255.47, 7,262.99 and 4,309.80 is: 5,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.47 : 7,262.99 = 4,309.80 : x
  2. Step 2: Convert to fraction form
    5,255.47/7,262.99 = 4,309.80/x
  3. Step 3: Cross multiply
    5,255.47x = 7,262.99 × 4,309.80
  4. Step 4: Simplify right side
    5,255.47x = 31,302,034.30
  5. Step 5: Solve for x
    x = 31,302,034.30/5,255.47
  6. Step 6: Final answer
    x = 5,956.09

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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.