Home / 7,789.30-10,749.27-4,252.59

Finding the Fourth Proportional to 7,789.30, 10,749.27 and 4,252.59

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Solution

The fourth proportional to 7,789.30, 10,749.27 and 4,252.59 is: 5,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.30 : 10,749.27 = 4,252.59 : x
  2. Step 2: Convert to fraction form
    7,789.30/10,749.27 = 4,252.59/x
  3. Step 3: Cross multiply
    7,789.30x = 10,749.27 × 4,252.59
  4. Step 4: Simplify right side
    7,789.30x = 45,712,238.11
  5. Step 5: Solve for x
    x = 45,712,238.11/7,789.30
  6. Step 6: Final answer
    x = 5,868.59

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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.