Home / 7,265.39-10,028.40-4,282.19

Finding the Fourth Proportional to 7,265.39, 10,028.40 and 4,282.19

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Solution

The fourth proportional to 7,265.39, 10,028.40 and 4,282.19 is: 5,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.39 : 10,028.40 = 4,282.19 : x
  2. Step 2: Convert to fraction form
    7,265.39/10,028.40 = 4,282.19/x
  3. Step 3: Cross multiply
    7,265.39x = 10,028.40 × 4,282.19
  4. Step 4: Simplify right side
    7,265.39x = 42,943,539.27
  5. Step 5: Solve for x
    x = 42,943,539.27/7,265.39
  6. Step 6: Final answer
    x = 5,910.70

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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.