Home / 5,921.04-8,172.12-3,563.76

Finding the Fourth Proportional to 5,921.04, 8,172.12 and 3,563.76

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Solution

The fourth proportional to 5,921.04, 8,172.12 and 3,563.76 is: 4,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.04 : 8,172.12 = 3,563.76 : x
  2. Step 2: Convert to fraction form
    5,921.04/8,172.12 = 3,563.76/x
  3. Step 3: Cross multiply
    5,921.04x = 8,172.12 × 3,563.76
  4. Step 4: Simplify right side
    5,921.04x = 29,123,474.37
  5. Step 5: Solve for x
    x = 29,123,474.37/5,921.04
  6. Step 6: Final answer
    x = 4,918.64

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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.