Home / 4,915.26-7,358.40-3,246.31

Finding the Fourth Proportional to 4,915.26, 7,358.40 and 3,246.31

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Solution

The fourth proportional to 4,915.26, 7,358.40 and 3,246.31 is: 4,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.26 : 7,358.40 = 3,246.31 : x
  2. Step 2: Convert to fraction form
    4,915.26/7,358.40 = 3,246.31/x
  3. Step 3: Cross multiply
    4,915.26x = 7,358.40 × 3,246.31
  4. Step 4: Simplify right side
    4,915.26x = 23,887,647.50
  5. Step 5: Solve for x
    x = 23,887,647.50/4,915.26
  6. Step 6: Final answer
    x = 4,859.90

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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.