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Finding the Fourth Proportional to 4,995.79, 6,904.09 and 4,098.09

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Solution

The fourth proportional to 4,995.79, 6,904.09 and 4,098.09 is: 5,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.79 : 6,904.09 = 4,098.09 : x
  2. Step 2: Convert to fraction form
    4,995.79/6,904.09 = 4,098.09/x
  3. Step 3: Cross multiply
    4,995.79x = 6,904.09 × 4,098.09
  4. Step 4: Simplify right side
    4,995.79x = 28,293,590.15
  5. Step 5: Solve for x
    x = 28,293,590.15/4,995.79
  6. Step 6: Final answer
    x = 5,663.48

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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.