Home / 4,610.35-6,915.54-1,147.60

Finding the Fourth Proportional to 4,610.35, 6,915.54 and 1,147.60

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Solution

The fourth proportional to 4,610.35, 6,915.54 and 1,147.60 is: 1,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.35 : 6,915.54 = 1,147.60 : x
  2. Step 2: Convert to fraction form
    4,610.35/6,915.54 = 1,147.60/x
  3. Step 3: Cross multiply
    4,610.35x = 6,915.54 × 1,147.60
  4. Step 4: Simplify right side
    4,610.35x = 7,936,273.70
  5. Step 5: Solve for x
    x = 7,936,273.70/4,610.35
  6. Step 6: Final answer
    x = 1,721.40

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1.5x scale

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.