Home / 5,696.03-8,543.71-2,187.72

Finding the Fourth Proportional to 5,696.03, 8,543.71 and 2,187.72

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Solution

The fourth proportional to 5,696.03, 8,543.71 and 2,187.72 is: 3,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.03 : 8,543.71 = 2,187.72 : x
  2. Step 2: Convert to fraction form
    5,696.03/8,543.71 = 2,187.72/x
  3. Step 3: Cross multiply
    5,696.03x = 8,543.71 × 2,187.72
  4. Step 4: Simplify right side
    5,696.03x = 18,691,245.24
  5. Step 5: Solve for x
    x = 18,691,245.24/5,696.03
  6. Step 6: Final answer
    x = 3,281.45

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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.