Home / 3,714.75-5,126.18-2,223.49

Finding the Fourth Proportional to 3,714.75, 5,126.18 and 2,223.49

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Solution

The fourth proportional to 3,714.75, 5,126.18 and 2,223.49 is: 3,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.75 : 5,126.18 = 2,223.49 : x
  2. Step 2: Convert to fraction form
    3,714.75/5,126.18 = 2,223.49/x
  3. Step 3: Cross multiply
    3,714.75x = 5,126.18 × 2,223.49
  4. Step 4: Simplify right side
    3,714.75x = 11,398,009.97
  5. Step 5: Solve for x
    x = 11,398,009.97/3,714.75
  6. Step 6: Final answer
    x = 3,068.31

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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.