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Finding the Fourth Proportional to 3,714.59, 5,126.58 and 2,223.32

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Solution

The fourth proportional to 3,714.59, 5,126.58 and 2,223.32 is: 3,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.59 : 5,126.58 = 2,223.32 : x
  2. Step 2: Convert to fraction form
    3,714.59/5,126.58 = 2,223.32/x
  3. Step 3: Cross multiply
    3,714.59x = 5,126.58 × 2,223.32
  4. Step 4: Simplify right side
    3,714.59x = 11,398,002.21
  5. Step 5: Solve for x
    x = 11,398,002.21/3,714.59
  6. Step 6: Final answer
    x = 3,068.45

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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.