Home / 5,273.48-7,277.40-2,915.60

Finding the Fourth Proportional to 5,273.48, 7,277.40 and 2,915.60

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Solution

The fourth proportional to 5,273.48, 7,277.40 and 2,915.60 is: 4,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.48 : 7,277.40 = 2,915.60 : x
  2. Step 2: Convert to fraction form
    5,273.48/7,277.40 = 2,915.60/x
  3. Step 3: Cross multiply
    5,273.48x = 7,277.40 × 2,915.60
  4. Step 4: Simplify right side
    5,273.48x = 21,217,987.44
  5. Step 5: Solve for x
    x = 21,217,987.44/5,273.48
  6. Step 6: Final answer
    x = 4,023.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.