Home / 5,031.36-6,942.74-2,792.64

Finding the Fourth Proportional to 5,031.36, 6,942.74 and 2,792.64

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Solution

The fourth proportional to 5,031.36, 6,942.74 and 2,792.64 is: 3,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.36 : 6,942.74 = 2,792.64 : x
  2. Step 2: Convert to fraction form
    5,031.36/6,942.74 = 2,792.64/x
  3. Step 3: Cross multiply
    5,031.36x = 6,942.74 × 2,792.64
  4. Step 4: Simplify right side
    5,031.36x = 19,388,573.43
  5. Step 5: Solve for x
    x = 19,388,573.43/5,031.36
  6. Step 6: Final answer
    x = 3,853.55

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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.