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Finding the Fourth Proportional to 4,924.81, 6,795.02 and 3,158.80

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Solution

The fourth proportional to 4,924.81, 6,795.02 and 3,158.80 is: 4,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.81 : 6,795.02 = 3,158.80 : x
  2. Step 2: Convert to fraction form
    4,924.81/6,795.02 = 3,158.80/x
  3. Step 3: Cross multiply
    4,924.81x = 6,795.02 × 3,158.80
  4. Step 4: Simplify right side
    4,924.81x = 21,464,109.18
  5. Step 5: Solve for x
    x = 21,464,109.18/4,924.81
  6. Step 6: Final answer
    x = 4,358.37

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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.