Home / 3,853.23-5,779.88-1,256.18

Finding the Fourth Proportional to 3,853.23, 5,779.88 and 1,256.18

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Solution

The fourth proportional to 3,853.23, 5,779.88 and 1,256.18 is: 1,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.23 : 5,779.88 = 1,256.18 : x
  2. Step 2: Convert to fraction form
    3,853.23/5,779.88 = 1,256.18/x
  3. Step 3: Cross multiply
    3,853.23x = 5,779.88 × 1,256.18
  4. Step 4: Simplify right side
    3,853.23x = 7,260,534.48
  5. Step 5: Solve for x
    x = 7,260,534.48/3,853.23
  6. Step 6: Final answer
    x = 1,884.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.