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Finding the Fourth Proportional to 4,984.54, 6,879.02 and 3,097.34

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Solution

The fourth proportional to 4,984.54, 6,879.02 and 3,097.34 is: 4,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.54 : 6,879.02 = 3,097.34 : x
  2. Step 2: Convert to fraction form
    4,984.54/6,879.02 = 3,097.34/x
  3. Step 3: Cross multiply
    4,984.54x = 6,879.02 × 3,097.34
  4. Step 4: Simplify right side
    4,984.54x = 21,306,663.81
  5. Step 5: Solve for x
    x = 21,306,663.81/4,984.54
  6. Step 6: Final answer
    x = 4,274.55

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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.