Home / 4,866.90-7,291.71-3,320.34

Finding the Fourth Proportional to 4,866.90, 7,291.71 and 3,320.34

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Solution

The fourth proportional to 4,866.90, 7,291.71 and 3,320.34 is: 4,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.90 : 7,291.71 = 3,320.34 : x
  2. Step 2: Convert to fraction form
    4,866.90/7,291.71 = 3,320.34/x
  3. Step 3: Cross multiply
    4,866.90x = 7,291.71 × 3,320.34
  4. Step 4: Simplify right side
    4,866.90x = 24,210,956.38
  5. Step 5: Solve for x
    x = 24,210,956.38/4,866.90
  6. Step 6: Final answer
    x = 4,974.62

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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.