Home / 5,197.83-7,175.36-3,312

Finding the Fourth Proportional to 5,197.83, 7,175.36 and 3,312

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Solution

The fourth proportional to 5,197.83, 7,175.36 and 3,312 is: 4,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.83 : 7,175.36 = 3,312 : x
  2. Step 2: Convert to fraction form
    5,197.83/7,175.36 = 3,312/x
  3. Step 3: Cross multiply
    5,197.83x = 7,175.36 × 3,312
  4. Step 4: Simplify right side
    5,197.83x = 23,764,792.32
  5. Step 5: Solve for x
    x = 23,764,792.32/5,197.83
  6. Step 6: Final answer
    x = 4,572.06

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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.