Home / 6,185.13-9,278.26-1,742.86

Finding the Fourth Proportional to 6,185.13, 9,278.26 and 1,742.86

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Solution

The fourth proportional to 6,185.13, 9,278.26 and 1,742.86 is: 2,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.13 : 9,278.26 = 1,742.86 : x
  2. Step 2: Convert to fraction form
    6,185.13/9,278.26 = 1,742.86/x
  3. Step 3: Cross multiply
    6,185.13x = 9,278.26 × 1,742.86
  4. Step 4: Simplify right side
    6,185.13x = 16,170,708.22
  5. Step 5: Solve for x
    x = 16,170,708.22/6,185.13
  6. Step 6: Final answer
    x = 2,614.45

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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.