Home / 1,885.62-2,601.26-1,256.44

Finding the Fourth Proportional to 1,885.62, 2,601.26 and 1,256.44

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Solution

The fourth proportional to 1,885.62, 2,601.26 and 1,256.44 is: 1,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.62 : 2,601.26 = 1,256.44 : x
  2. Step 2: Convert to fraction form
    1,885.62/2,601.26 = 1,256.44/x
  3. Step 3: Cross multiply
    1,885.62x = 2,601.26 × 1,256.44
  4. Step 4: Simplify right side
    1,885.62x = 3,268,327.11
  5. Step 5: Solve for x
    x = 3,268,327.11/1,885.62
  6. Step 6: Final answer
    x = 1,733.29

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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.