Home / 4,100.12-6,150.03-1,178.35

Finding the Fourth Proportional to 4,100.12, 6,150.03 and 1,178.35

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Solution

The fourth proportional to 4,100.12, 6,150.03 and 1,178.35 is: 1,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.12 : 6,150.03 = 1,178.35 : x
  2. Step 2: Convert to fraction form
    4,100.12/6,150.03 = 1,178.35/x
  3. Step 3: Cross multiply
    4,100.12x = 6,150.03 × 1,178.35
  4. Step 4: Simplify right side
    4,100.12x = 7,246,868.06
  5. Step 5: Solve for x
    x = 7,246,868.06/4,100.12
  6. Step 6: Final answer
    x = 1,767.48

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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.