Home / 3,553.19-4,903.43-1,981.32

Finding the Fourth Proportional to 3,553.19, 4,903.43 and 1,981.32

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Solution

The fourth proportional to 3,553.19, 4,903.43 and 1,981.32 is: 2,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.19 : 4,903.43 = 1,981.32 : x
  2. Step 2: Convert to fraction form
    3,553.19/4,903.43 = 1,981.32/x
  3. Step 3: Cross multiply
    3,553.19x = 4,903.43 × 1,981.32
  4. Step 4: Simplify right side
    3,553.19x = 9,715,263.93
  5. Step 5: Solve for x
    x = 9,715,263.93/3,553.19
  6. Step 6: Final answer
    x = 2,734.24

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Double scale
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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.