Home / 2,915.41-4,023.14-1,589.08

Finding the Fourth Proportional to 2,915.41, 4,023.14 and 1,589.08

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Solution

The fourth proportional to 2,915.41, 4,023.14 and 1,589.08 is: 2,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.41 : 4,023.14 = 1,589.08 : x
  2. Step 2: Convert to fraction form
    2,915.41/4,023.14 = 1,589.08/x
  3. Step 3: Cross multiply
    2,915.41x = 4,023.14 × 1,589.08
  4. Step 4: Simplify right side
    2,915.41x = 6,393,105.34
  5. Step 5: Solve for x
    x = 6,393,105.34/2,915.41
  6. Step 6: Final answer
    x = 2,192.87

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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.