Home / 2,714.70-4,055.37-2,167.86

Finding the Fourth Proportional to 2,714.70, 4,055.37 and 2,167.86

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Solution

The fourth proportional to 2,714.70, 4,055.37 and 2,167.86 is: 3,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.70 : 4,055.37 = 2,167.86 : x
  2. Step 2: Convert to fraction form
    2,714.70/4,055.37 = 2,167.86/x
  3. Step 3: Cross multiply
    2,714.70x = 4,055.37 × 2,167.86
  4. Step 4: Simplify right side
    2,714.70x = 8,791,474.41
  5. Step 5: Solve for x
    x = 8,791,474.41/2,714.70
  6. Step 6: Final answer
    x = 3,238.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.