Home / 6,148.56-8,484.96-3,791.28

Finding the Fourth Proportional to 6,148.56, 8,484.96 and 3,791.28

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Solution

The fourth proportional to 6,148.56, 8,484.96 and 3,791.28 is: 5,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.56 : 8,484.96 = 3,791.28 : x
  2. Step 2: Convert to fraction form
    6,148.56/8,484.96 = 3,791.28/x
  3. Step 3: Cross multiply
    6,148.56x = 8,484.96 × 3,791.28
  4. Step 4: Simplify right side
    6,148.56x = 32,168,859.15
  5. Step 5: Solve for x
    x = 32,168,859.15/6,148.56
  6. Step 6: Final answer
    x = 5,231.93

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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.