Home / 5,735.15-7,915.29-3,217.42

Finding the Fourth Proportional to 5,735.15, 7,915.29 and 3,217.42

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Solution

The fourth proportional to 5,735.15, 7,915.29 and 3,217.42 is: 4,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.15 : 7,915.29 = 3,217.42 : x
  2. Step 2: Convert to fraction form
    5,735.15/7,915.29 = 3,217.42/x
  3. Step 3: Cross multiply
    5,735.15x = 7,915.29 × 3,217.42
  4. Step 4: Simplify right side
    5,735.15x = 25,466,807.19
  5. Step 5: Solve for x
    x = 25,466,807.19/5,735.15
  6. Step 6: Final answer
    x = 4,440.48

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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.