Home / 7,076.48-10,615.36-2,915.52

Finding the Fourth Proportional to 7,076.48, 10,615.36 and 2,915.52

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Solution

The fourth proportional to 7,076.48, 10,615.36 and 2,915.52 is: 4,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.48 : 10,615.36 = 2,915.52 : x
  2. Step 2: Convert to fraction form
    7,076.48/10,615.36 = 2,915.52/x
  3. Step 3: Cross multiply
    7,076.48x = 10,615.36 × 2,915.52
  4. Step 4: Simplify right side
    7,076.48x = 30,949,294.39
  5. Step 5: Solve for x
    x = 30,949,294.39/7,076.48
  6. Step 6: Final answer
    x = 4,373.54

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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.