Home / 2,915.34-4,023.22-1,589.10

Finding the Fourth Proportional to 2,915.34, 4,023.22 and 1,589.10

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Solution

The fourth proportional to 2,915.34, 4,023.22 and 1,589.10 is: 2,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.34 : 4,023.22 = 1,589.10 : x
  2. Step 2: Convert to fraction form
    2,915.34/4,023.22 = 1,589.10/x
  3. Step 3: Cross multiply
    2,915.34x = 4,023.22 × 1,589.10
  4. Step 4: Simplify right side
    2,915.34x = 6,393,298.90
  5. Step 5: Solve for x
    x = 6,393,298.90/2,915.34
  6. Step 6: Final answer
    x = 2,192.99

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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.