Home / 5,031.16-6,942.64-2,792.96

Finding the Fourth Proportional to 5,031.16, 6,942.64 and 2,792.96

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Solution

The fourth proportional to 5,031.16, 6,942.64 and 2,792.96 is: 3,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.16 : 6,942.64 = 2,792.96 : x
  2. Step 2: Convert to fraction form
    5,031.16/6,942.64 = 2,792.96/x
  3. Step 3: Cross multiply
    5,031.16x = 6,942.64 × 2,792.96
  4. Step 4: Simplify right side
    5,031.16x = 19,390,500.15
  5. Step 5: Solve for x
    x = 19,390,500.15/5,031.16
  6. Step 6: Final answer
    x = 3,854.08

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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.