Home / 3,566.36-4,921.19-1,972.76

Finding the Fourth Proportional to 3,566.36, 4,921.19 and 1,972.76

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Solution

The fourth proportional to 3,566.36, 4,921.19 and 1,972.76 is: 2,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.36 : 4,921.19 = 1,972.76 : x
  2. Step 2: Convert to fraction form
    3,566.36/4,921.19 = 1,972.76/x
  3. Step 3: Cross multiply
    3,566.36x = 4,921.19 × 1,972.76
  4. Step 4: Simplify right side
    3,566.36x = 9,708,310.81
  5. Step 5: Solve for x
    x = 9,708,310.81/3,566.36
  6. Step 6: Final answer
    x = 2,722.19

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Half scale
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Double scale
Find fourth proportional to 3,567.36, 4,922.57 and 1,973.76
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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.