Home / 3,714.75-5,126.21-2,223.50

Finding the Fourth Proportional to 3,714.75, 5,126.21 and 2,223.50

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Solution

The fourth proportional to 3,714.75, 5,126.21 and 2,223.50 is: 3,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.75 : 5,126.21 = 2,223.50 : x
  2. Step 2: Convert to fraction form
    3,714.75/5,126.21 = 2,223.50/x
  3. Step 3: Cross multiply
    3,714.75x = 5,126.21 × 2,223.50
  4. Step 4: Simplify right side
    3,714.75x = 11,398,091.19
  5. Step 5: Solve for x
    x = 11,398,091.19/3,714.75
  6. Step 6: Final answer
    x = 3,068.33

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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.