Home / 5,031.06-6,942.52-2,792.76

Finding the Fourth Proportional to 5,031.06, 6,942.52 and 2,792.76

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Solution

The fourth proportional to 5,031.06, 6,942.52 and 2,792.76 is: 3,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.06 : 6,942.52 = 2,792.76 : x
  2. Step 2: Convert to fraction form
    5,031.06/6,942.52 = 2,792.76/x
  3. Step 3: Cross multiply
    5,031.06x = 6,942.52 × 2,792.76
  4. Step 4: Simplify right side
    5,031.06x = 19,388,785.17
  5. Step 5: Solve for x
    x = 19,388,785.17/5,031.06
  6. Step 6: Final answer
    x = 3,853.82

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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.