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Finding the Fourth Proportional to 4,293.51, 5,921.42 and 2,965.11

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Solution

The fourth proportional to 4,293.51, 5,921.42 and 2,965.11 is: 4,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.51 : 5,921.42 = 2,965.11 : x
  2. Step 2: Convert to fraction form
    4,293.51/5,921.42 = 2,965.11/x
  3. Step 3: Cross multiply
    4,293.51x = 5,921.42 × 2,965.11
  4. Step 4: Simplify right side
    4,293.51x = 17,557,646.83
  5. Step 5: Solve for x
    x = 17,557,646.83/4,293.51
  6. Step 6: Final answer
    x = 4,089.35

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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.