Home / 7,789.72-10,749.75-4,252.93

Finding the Fourth Proportional to 7,789.72, 10,749.75 and 4,252.93

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Solution

The fourth proportional to 7,789.72, 10,749.75 and 4,252.93 is: 5,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.72 : 10,749.75 = 4,252.93 : x
  2. Step 2: Convert to fraction form
    7,789.72/10,749.75 = 4,252.93/x
  3. Step 3: Cross multiply
    7,789.72x = 10,749.75 × 4,252.93
  4. Step 4: Simplify right side
    7,789.72x = 45,717,934.27
  5. Step 5: Solve for x
    x = 45,717,934.27/7,789.72
  6. Step 6: Final answer
    x = 5,869.01

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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.