Home / 6,191.32-8,542.70-3,674.35

Finding the Fourth Proportional to 6,191.32, 8,542.70 and 3,674.35

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Solution

The fourth proportional to 6,191.32, 8,542.70 and 3,674.35 is: 5,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.32 : 8,542.70 = 3,674.35 : x
  2. Step 2: Convert to fraction form
    6,191.32/8,542.70 = 3,674.35/x
  3. Step 3: Cross multiply
    6,191.32x = 8,542.70 × 3,674.35
  4. Step 4: Simplify right side
    6,191.32x = 31,388,808.66
  5. Step 5: Solve for x
    x = 31,388,808.66/6,191.32
  6. Step 6: Final answer
    x = 5,069.81

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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.