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Finding the Fourth Proportional to 5,290.31, 7,300.26 and 2,932.25

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Solution

The fourth proportional to 5,290.31, 7,300.26 and 2,932.25 is: 4,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.31 : 7,300.26 = 2,932.25 : x
  2. Step 2: Convert to fraction form
    5,290.31/7,300.26 = 2,932.25/x
  3. Step 3: Cross multiply
    5,290.31x = 7,300.26 × 2,932.25
  4. Step 4: Simplify right side
    5,290.31x = 21,406,187.39
  5. Step 5: Solve for x
    x = 21,406,187.39/5,290.31
  6. Step 6: Final answer
    x = 4,046.30

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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.