Home / 5,031.09-6,942.80-2,792.95

Finding the Fourth Proportional to 5,031.09, 6,942.80 and 2,792.95

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Solution

The fourth proportional to 5,031.09, 6,942.80 and 2,792.95 is: 3,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.09 : 6,942.80 = 2,792.95 : x
  2. Step 2: Convert to fraction form
    5,031.09/6,942.80 = 2,792.95/x
  3. Step 3: Cross multiply
    5,031.09x = 6,942.80 × 2,792.95
  4. Step 4: Simplify right side
    5,031.09x = 19,390,893.26
  5. Step 5: Solve for x
    x = 19,390,893.26/5,031.09
  6. Step 6: Final answer
    x = 3,854.21

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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.