Home / 5,736.16-7,915.53-3,218.25

Finding the Fourth Proportional to 5,736.16, 7,915.53 and 3,218.25

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Solution

The fourth proportional to 5,736.16, 7,915.53 and 3,218.25 is: 4,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.16 : 7,915.53 = 3,218.25 : x
  2. Step 2: Convert to fraction form
    5,736.16/7,915.53 = 3,218.25/x
  3. Step 3: Cross multiply
    5,736.16x = 7,915.53 × 3,218.25
  4. Step 4: Simplify right side
    5,736.16x = 25,474,154.42
  5. Step 5: Solve for x
    x = 25,474,154.42/5,736.16
  6. Step 6: Final answer
    x = 4,440.98

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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.