Home / 5,175.36-7,732.80-4,993.92

Finding the Fourth Proportional to 5,175.36, 7,732.80 and 4,993.92

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Solution

The fourth proportional to 5,175.36, 7,732.80 and 4,993.92 is: 7,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.36 : 7,732.80 = 4,993.92 : x
  2. Step 2: Convert to fraction form
    5,175.36/7,732.80 = 4,993.92/x
  3. Step 3: Cross multiply
    5,175.36x = 7,732.80 × 4,993.92
  4. Step 4: Simplify right side
    5,175.36x = 38,616,984.58
  5. Step 5: Solve for x
    x = 38,616,984.58/5,175.36
  6. Step 6: Final answer
    x = 7,461.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.