Home / 4,971.16-7,451.66-3,123.56

Finding the Fourth Proportional to 4,971.16, 7,451.66 and 3,123.56

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Solution

The fourth proportional to 4,971.16, 7,451.66 and 3,123.56 is: 4,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.16 : 7,451.66 = 3,123.56 : x
  2. Step 2: Convert to fraction form
    4,971.16/7,451.66 = 3,123.56/x
  3. Step 3: Cross multiply
    4,971.16x = 7,451.66 × 3,123.56
  4. Step 4: Simplify right side
    4,971.16x = 23,275,707.11
  5. Step 5: Solve for x
    x = 23,275,707.11/4,971.16
  6. Step 6: Final answer
    x = 4,682.15

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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.