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Finding the Fourth Proportional to 4,333.93, 5,978.41 and 2,655.07

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Solution

The fourth proportional to 4,333.93, 5,978.41 and 2,655.07 is: 3,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.93 : 5,978.41 = 2,655.07 : x
  2. Step 2: Convert to fraction form
    4,333.93/5,978.41 = 2,655.07/x
  3. Step 3: Cross multiply
    4,333.93x = 5,978.41 × 2,655.07
  4. Step 4: Simplify right side
    4,333.93x = 15,873,097.04
  5. Step 5: Solve for x
    x = 15,873,097.04/4,333.93
  6. Step 6: Final answer
    x = 3,662.52

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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.