Home / 2,915.37-4,023.09-1,589.04

Finding the Fourth Proportional to 2,915.37, 4,023.09 and 1,589.04

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Solution

The fourth proportional to 2,915.37, 4,023.09 and 1,589.04 is: 2,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.37 : 4,023.09 = 1,589.04 : x
  2. Step 2: Convert to fraction form
    2,915.37/4,023.09 = 1,589.04/x
  3. Step 3: Cross multiply
    2,915.37x = 4,023.09 × 1,589.04
  4. Step 4: Simplify right side
    2,915.37x = 6,392,850.93
  5. Step 5: Solve for x
    x = 6,392,850.93/2,915.37
  6. Step 6: Final answer
    x = 2,192.81

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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.