Home / 5,031.17-6,942.91-2,792.91

Finding the Fourth Proportional to 5,031.17, 6,942.91 and 2,792.91

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Solution

The fourth proportional to 5,031.17, 6,942.91 and 2,792.91 is: 3,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.17 : 6,942.91 = 2,792.91 : x
  2. Step 2: Convert to fraction form
    5,031.17/6,942.91 = 2,792.91/x
  3. Step 3: Cross multiply
    5,031.17x = 6,942.91 × 2,792.91
  4. Step 4: Simplify right side
    5,031.17x = 19,390,915.79
  5. Step 5: Solve for x
    x = 19,390,915.79/5,031.17
  6. Step 6: Final answer
    x = 3,854.15

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1.5x scale

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.