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Finding the Fourth Proportional to 5,002.40, 6,902.95 and 2,764.25

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Solution

The fourth proportional to 5,002.40, 6,902.95 and 2,764.25 is: 3,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.40 : 6,902.95 = 2,764.25 : x
  2. Step 2: Convert to fraction form
    5,002.40/6,902.95 = 2,764.25/x
  3. Step 3: Cross multiply
    5,002.40x = 6,902.95 × 2,764.25
  4. Step 4: Simplify right side
    5,002.40x = 19,081,479.54
  5. Step 5: Solve for x
    x = 19,081,479.54/5,002.40
  6. Step 6: Final answer
    x = 3,814.46

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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.