Home / 5,921.88-8,172.18-3,533.46

Finding the Fourth Proportional to 5,921.88, 8,172.18 and 3,533.46

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Solution

The fourth proportional to 5,921.88, 8,172.18 and 3,533.46 is: 4,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.88 : 8,172.18 = 3,533.46 : x
  2. Step 2: Convert to fraction form
    5,921.88/8,172.18 = 3,533.46/x
  3. Step 3: Cross multiply
    5,921.88x = 8,172.18 × 3,533.46
  4. Step 4: Simplify right side
    5,921.88x = 28,876,071.14
  5. Step 5: Solve for x
    x = 28,876,071.14/5,921.88
  6. Step 6: Final answer
    x = 4,876.17

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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.