Home / 4,077.15-6,115.76-2,133.15

Finding the Fourth Proportional to 4,077.15, 6,115.76 and 2,133.15

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Solution

The fourth proportional to 4,077.15, 6,115.76 and 2,133.15 is: 3,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.15 : 6,115.76 = 2,133.15 : x
  2. Step 2: Convert to fraction form
    4,077.15/6,115.76 = 2,133.15/x
  3. Step 3: Cross multiply
    4,077.15x = 6,115.76 × 2,133.15
  4. Step 4: Simplify right side
    4,077.15x = 13,045,822.78
  5. Step 5: Solve for x
    x = 13,045,822.78/4,077.15
  6. Step 6: Final answer
    x = 3,199.74

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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.