Home / 7,789.59-10,749.63-4,252.83

Finding the Fourth Proportional to 7,789.59, 10,749.63 and 4,252.83

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Solution

The fourth proportional to 7,789.59, 10,749.63 and 4,252.83 is: 5,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.59 : 10,749.63 = 4,252.83 : x
  2. Step 2: Convert to fraction form
    7,789.59/10,749.63 = 4,252.83/x
  3. Step 3: Cross multiply
    7,789.59x = 10,749.63 × 4,252.83
  4. Step 4: Simplify right side
    7,789.59x = 45,716,348.95
  5. Step 5: Solve for x
    x = 45,716,348.95/7,789.59
  6. Step 6: Final answer
    x = 5,868.90

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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.