Home / 7,003.25-9,664.49-4,208.75

Finding the Fourth Proportional to 7,003.25, 9,664.49 and 4,208.75

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Solution

The fourth proportional to 7,003.25, 9,664.49 and 4,208.75 is: 5,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.25 : 9,664.49 = 4,208.75 : x
  2. Step 2: Convert to fraction form
    7,003.25/9,664.49 = 4,208.75/x
  3. Step 3: Cross multiply
    7,003.25x = 9,664.49 × 4,208.75
  4. Step 4: Simplify right side
    7,003.25x = 40,675,422.29
  5. Step 5: Solve for x
    x = 40,675,422.29/7,003.25
  6. Step 6: Final answer
    x = 5,808.08

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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.