Home / 6,191.88-8,544.36-3,540.24

Finding the Fourth Proportional to 6,191.88, 8,544.36 and 3,540.24

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Solution

The fourth proportional to 6,191.88, 8,544.36 and 3,540.24 is: 4,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.88 : 8,544.36 = 3,540.24 : x
  2. Step 2: Convert to fraction form
    6,191.88/8,544.36 = 3,540.24/x
  3. Step 3: Cross multiply
    6,191.88x = 8,544.36 × 3,540.24
  4. Step 4: Simplify right side
    6,191.88x = 30,249,085.05
  5. Step 5: Solve for x
    x = 30,249,085.05/6,191.88
  6. Step 6: Final answer
    x = 4,885.28

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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.