Home / 6,557.12-9,047.32-3,723.80

Finding the Fourth Proportional to 6,557.12, 9,047.32 and 3,723.80

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Solution

The fourth proportional to 6,557.12, 9,047.32 and 3,723.80 is: 5,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.12 : 9,047.32 = 3,723.80 : x
  2. Step 2: Convert to fraction form
    6,557.12/9,047.32 = 3,723.80/x
  3. Step 3: Cross multiply
    6,557.12x = 9,047.32 × 3,723.80
  4. Step 4: Simplify right side
    6,557.12x = 33,690,410.22
  5. Step 5: Solve for x
    x = 33,690,410.22/6,557.12
  6. Step 6: Final answer
    x = 5,137.99

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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.