Home / 4,929.72-7,390.57-3,365.78

Finding the Fourth Proportional to 4,929.72, 7,390.57 and 3,365.78

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Solution

The fourth proportional to 4,929.72, 7,390.57 and 3,365.78 is: 5,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.72 : 7,390.57 = 3,365.78 : x
  2. Step 2: Convert to fraction form
    4,929.72/7,390.57 = 3,365.78/x
  3. Step 3: Cross multiply
    4,929.72x = 7,390.57 × 3,365.78
  4. Step 4: Simplify right side
    4,929.72x = 24,875,032.69
  5. Step 5: Solve for x
    x = 24,875,032.69/4,929.72
  6. Step 6: Final answer
    x = 5,045.93

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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.