Home / 2,915.73-4,023.68-1,589.48

Finding the Fourth Proportional to 2,915.73, 4,023.68 and 1,589.48

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Solution

The fourth proportional to 2,915.73, 4,023.68 and 1,589.48 is: 2,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.73 : 4,023.68 = 1,589.48 : x
  2. Step 2: Convert to fraction form
    2,915.73/4,023.68 = 1,589.48/x
  3. Step 3: Cross multiply
    2,915.73x = 4,023.68 × 1,589.48
  4. Step 4: Simplify right side
    2,915.73x = 6,395,530.82
  5. Step 5: Solve for x
    x = 6,395,530.82/2,915.73
  6. Step 6: Final answer
    x = 2,193.46

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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.