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Finding the Fourth Proportional to 6,091.28, 8,398.31 and 4,971.08

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Solution

The fourth proportional to 6,091.28, 8,398.31 and 4,971.08 is: 6,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.28 : 8,398.31 = 4,971.08 : x
  2. Step 2: Convert to fraction form
    6,091.28/8,398.31 = 4,971.08/x
  3. Step 3: Cross multiply
    6,091.28x = 8,398.31 × 4,971.08
  4. Step 4: Simplify right side
    6,091.28x = 41,748,670.87
  5. Step 5: Solve for x
    x = 41,748,670.87/6,091.28
  6. Step 6: Final answer
    x = 6,853.84

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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.