Home / 3,696.30-5,543.10-1,231.20

Finding the Fourth Proportional to 3,696.30, 5,543.10 and 1,231.20

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Solution

The fourth proportional to 3,696.30, 5,543.10 and 1,231.20 is: 1,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.30 : 5,543.10 = 1,231.20 : x
  2. Step 2: Convert to fraction form
    3,696.30/5,543.10 = 1,231.20/x
  3. Step 3: Cross multiply
    3,696.30x = 5,543.10 × 1,231.20
  4. Step 4: Simplify right side
    3,696.30x = 6,824,664.72
  5. Step 5: Solve for x
    x = 6,824,664.72/3,696.30
  6. Step 6: Final answer
    x = 1,846.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.