Home / 7,028.98-9,699.69-3,842.22

Finding the Fourth Proportional to 7,028.98, 9,699.69 and 3,842.22

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Solution

The fourth proportional to 7,028.98, 9,699.69 and 3,842.22 is: 5,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.98 : 9,699.69 = 3,842.22 : x
  2. Step 2: Convert to fraction form
    7,028.98/9,699.69 = 3,842.22/x
  3. Step 3: Cross multiply
    7,028.98x = 9,699.69 × 3,842.22
  4. Step 4: Simplify right side
    7,028.98x = 37,268,294.41
  5. Step 5: Solve for x
    x = 37,268,294.41/7,028.98
  6. Step 6: Final answer
    x = 5,302.09

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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.