Home / 3,169.98-4,365.55-3,102.14

Finding the Fourth Proportional to 3,169.98, 4,365.55 and 3,102.14

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Solution

The fourth proportional to 3,169.98, 4,365.55 and 3,102.14 is: 4,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.98 : 4,365.55 = 3,102.14 : x
  2. Step 2: Convert to fraction form
    3,169.98/4,365.55 = 3,102.14/x
  3. Step 3: Cross multiply
    3,169.98x = 4,365.55 × 3,102.14
  4. Step 4: Simplify right side
    3,169.98x = 13,542,547.28
  5. Step 5: Solve for x
    x = 13,542,547.28/3,169.98
  6. Step 6: Final answer
    x = 4,272.12

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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.