Home / 2,127.42-3,188.95-2,074.06

Finding the Fourth Proportional to 2,127.42, 3,188.95 and 2,074.06

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Solution

The fourth proportional to 2,127.42, 3,188.95 and 2,074.06 is: 3,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.42 : 3,188.95 = 2,074.06 : x
  2. Step 2: Convert to fraction form
    2,127.42/3,188.95 = 2,074.06/x
  3. Step 3: Cross multiply
    2,127.42x = 3,188.95 × 2,074.06
  4. Step 4: Simplify right side
    2,127.42x = 6,614,073.64
  5. Step 5: Solve for x
    x = 6,614,073.64/2,127.42
  6. Step 6: Final answer
    x = 3,108.96

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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.