Home / 5,110.07-7,051.79-2,841.26

Finding the Fourth Proportional to 5,110.07, 7,051.79 and 2,841.26

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Solution

The fourth proportional to 5,110.07, 7,051.79 and 2,841.26 is: 3,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.07 : 7,051.79 = 2,841.26 : x
  2. Step 2: Convert to fraction form
    5,110.07/7,051.79 = 2,841.26/x
  3. Step 3: Cross multiply
    5,110.07x = 7,051.79 × 2,841.26
  4. Step 4: Simplify right side
    5,110.07x = 20,035,954.65
  5. Step 5: Solve for x
    x = 20,035,954.65/5,110.07
  6. Step 6: Final answer
    x = 3,920.88

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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.