Home / 4,392.66-6,588.78-1,105.68

Finding the Fourth Proportional to 4,392.66, 6,588.78 and 1,105.68

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Solution

The fourth proportional to 4,392.66, 6,588.78 and 1,105.68 is: 1,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.66 : 6,588.78 = 1,105.68 : x
  2. Step 2: Convert to fraction form
    4,392.66/6,588.78 = 1,105.68/x
  3. Step 3: Cross multiply
    4,392.66x = 6,588.78 × 1,105.68
  4. Step 4: Simplify right side
    4,392.66x = 7,285,082.27
  5. Step 5: Solve for x
    x = 7,285,082.27/4,392.66
  6. Step 6: Final answer
    x = 1,658.47

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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.