Home / 3,551.46-5,326.01-1,178.99

Finding the Fourth Proportional to 3,551.46, 5,326.01 and 1,178.99

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Solution

The fourth proportional to 3,551.46, 5,326.01 and 1,178.99 is: 1,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.46 : 5,326.01 = 1,178.99 : x
  2. Step 2: Convert to fraction form
    3,551.46/5,326.01 = 1,178.99/x
  3. Step 3: Cross multiply
    3,551.46x = 5,326.01 × 1,178.99
  4. Step 4: Simplify right side
    3,551.46x = 6,279,313.95
  5. Step 5: Solve for x
    x = 6,279,313.95/3,551.46
  6. Step 6: Final answer
    x = 1,768.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.