Home / 4,912.10-7,358.26-2,275.90

Finding the Fourth Proportional to 4,912.10, 7,358.26 and 2,275.90

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Solution

The fourth proportional to 4,912.10, 7,358.26 and 2,275.90 is: 3,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.10 : 7,358.26 = 2,275.90 : x
  2. Step 2: Convert to fraction form
    4,912.10/7,358.26 = 2,275.90/x
  3. Step 3: Cross multiply
    4,912.10x = 7,358.26 × 2,275.90
  4. Step 4: Simplify right side
    4,912.10x = 16,746,663.93
  5. Step 5: Solve for x
    x = 16,746,663.93/4,912.10
  6. Step 6: Final answer
    x = 3,409.27

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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.