Home / 6,185.36-9,278.76-1,802.72

Finding the Fourth Proportional to 6,185.36, 9,278.76 and 1,802.72

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Solution

The fourth proportional to 6,185.36, 9,278.76 and 1,802.72 is: 2,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.36 : 9,278.76 = 1,802.72 : x
  2. Step 2: Convert to fraction form
    6,185.36/9,278.76 = 1,802.72/x
  3. Step 3: Cross multiply
    6,185.36x = 9,278.76 × 1,802.72
  4. Step 4: Simplify right side
    6,185.36x = 16,727,006.23
  5. Step 5: Solve for x
    x = 16,727,006.23/6,185.36
  6. Step 6: Final answer
    x = 2,704.29

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Half scale
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Similar ratio
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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.