Home / 5,126.26-7,074.24-2,888.14

Finding the Fourth Proportional to 5,126.26, 7,074.24 and 2,888.14

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Solution

The fourth proportional to 5,126.26, 7,074.24 and 2,888.14 is: 3,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.26 : 7,074.24 = 2,888.14 : x
  2. Step 2: Convert to fraction form
    5,126.26/7,074.24 = 2,888.14/x
  3. Step 3: Cross multiply
    5,126.26x = 7,074.24 × 2,888.14
  4. Step 4: Simplify right side
    5,126.26x = 20,431,395.51
  5. Step 5: Solve for x
    x = 20,431,395.51/5,126.26
  6. Step 6: Final answer
    x = 3,985.63

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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.