Home / 2,915.51-4,023.38-1,589.25

Finding the Fourth Proportional to 2,915.51, 4,023.38 and 1,589.25

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Solution

The fourth proportional to 2,915.51, 4,023.38 and 1,589.25 is: 2,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.51 : 4,023.38 = 1,589.25 : x
  2. Step 2: Convert to fraction form
    2,915.51/4,023.38 = 1,589.25/x
  3. Step 3: Cross multiply
    2,915.51x = 4,023.38 × 1,589.25
  4. Step 4: Simplify right side
    2,915.51x = 6,394,148.72
  5. Step 5: Solve for x
    x = 6,394,148.72/2,915.51
  6. Step 6: Final answer
    x = 2,193.15

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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.