Home / 3,103.54-4,282.85-1,706.26

Finding the Fourth Proportional to 3,103.54, 4,282.85 and 1,706.26

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Solution

The fourth proportional to 3,103.54, 4,282.85 and 1,706.26 is: 2,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.54 : 4,282.85 = 1,706.26 : x
  2. Step 2: Convert to fraction form
    3,103.54/4,282.85 = 1,706.26/x
  3. Step 3: Cross multiply
    3,103.54x = 4,282.85 × 1,706.26
  4. Step 4: Simplify right side
    3,103.54x = 7,307,655.64
  5. Step 5: Solve for x
    x = 7,307,655.64/3,103.54
  6. Step 6: Final answer
    x = 2,354.62

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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.