Home / 4,915.48-7,380.66-4,708.12

Finding the Fourth Proportional to 4,915.48, 7,380.66 and 4,708.12

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Solution

The fourth proportional to 4,915.48, 7,380.66 and 4,708.12 is: 7,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.48 : 7,380.66 = 4,708.12 : x
  2. Step 2: Convert to fraction form
    4,915.48/7,380.66 = 4,708.12/x
  3. Step 3: Cross multiply
    4,915.48x = 7,380.66 × 4,708.12
  4. Step 4: Simplify right side
    4,915.48x = 34,749,032.96
  5. Step 5: Solve for x
    x = 34,749,032.96/4,915.48
  6. Step 6: Final answer
    x = 7,069.31

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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.