Home / 4,126.24-6,189.90-2,178.52

Finding the Fourth Proportional to 4,126.24, 6,189.90 and 2,178.52

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Solution

The fourth proportional to 4,126.24, 6,189.90 and 2,178.52 is: 3,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.24 : 6,189.90 = 2,178.52 : x
  2. Step 2: Convert to fraction form
    4,126.24/6,189.90 = 2,178.52/x
  3. Step 3: Cross multiply
    4,126.24x = 6,189.90 × 2,178.52
  4. Step 4: Simplify right side
    4,126.24x = 13,484,820.95
  5. Step 5: Solve for x
    x = 13,484,820.95/4,126.24
  6. Step 6: Final answer
    x = 3,268.07

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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.