Home / 2,127.77-3,192.30-1,031.93

Finding the Fourth Proportional to 2,127.77, 3,192.30 and 1,031.93

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Solution

The fourth proportional to 2,127.77, 3,192.30 and 1,031.93 is: 1,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.77 : 3,192.30 = 1,031.93 : x
  2. Step 2: Convert to fraction form
    2,127.77/3,192.30 = 1,031.93/x
  3. Step 3: Cross multiply
    2,127.77x = 3,192.30 × 1,031.93
  4. Step 4: Simplify right side
    2,127.77x = 3,294,230.14
  5. Step 5: Solve for x
    x = 3,294,230.14/2,127.77
  6. Step 6: Final answer
    x = 1,548.21

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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.