Home / 3,167.51-4,360.64-2,773.85

Finding the Fourth Proportional to 3,167.51, 4,360.64 and 2,773.85

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Solution

The fourth proportional to 3,167.51, 4,360.64 and 2,773.85 is: 3,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.51 : 4,360.64 = 2,773.85 : x
  2. Step 2: Convert to fraction form
    3,167.51/4,360.64 = 2,773.85/x
  3. Step 3: Cross multiply
    3,167.51x = 4,360.64 × 2,773.85
  4. Step 4: Simplify right side
    3,167.51x = 12,095,725.59
  5. Step 5: Solve for x
    x = 12,095,725.59/3,167.51
  6. Step 6: Final answer
    x = 3,818.69

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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.