Home / 7,808.14-11,710.52-2,471.74

Finding the Fourth Proportional to 7,808.14, 11,710.52 and 2,471.74

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Solution

The fourth proportional to 7,808.14, 11,710.52 and 2,471.74 is: 3,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.14 : 11,710.52 = 2,471.74 : x
  2. Step 2: Convert to fraction form
    7,808.14/11,710.52 = 2,471.74/x
  3. Step 3: Cross multiply
    7,808.14x = 11,710.52 × 2,471.74
  4. Step 4: Simplify right side
    7,808.14x = 28,945,289.79
  5. Step 5: Solve for x
    x = 28,945,289.79/7,808.14
  6. Step 6: Final answer
    x = 3,707.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.