Home / 2,126.41-3,190.19-1,514.03

Finding the Fourth Proportional to 2,126.41, 3,190.19 and 1,514.03

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Solution

The fourth proportional to 2,126.41, 3,190.19 and 1,514.03 is: 2,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.41 : 3,190.19 = 1,514.03 : x
  2. Step 2: Convert to fraction form
    2,126.41/3,190.19 = 1,514.03/x
  3. Step 3: Cross multiply
    2,126.41x = 3,190.19 × 1,514.03
  4. Step 4: Simplify right side
    2,126.41x = 4,830,019.84
  5. Step 5: Solve for x
    x = 4,830,019.84/2,126.41
  6. Step 6: Final answer
    x = 2,271.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.