Home / 3,714.12-5,123.52-2,317.68

Finding the Fourth Proportional to 3,714.12, 5,123.52 and 2,317.68

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Solution

The fourth proportional to 3,714.12, 5,123.52 and 2,317.68 is: 3,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.12 : 5,123.52 = 2,317.68 : x
  2. Step 2: Convert to fraction form
    3,714.12/5,123.52 = 2,317.68/x
  3. Step 3: Cross multiply
    3,714.12x = 5,123.52 × 2,317.68
  4. Step 4: Simplify right side
    3,714.12x = 11,874,679.83
  5. Step 5: Solve for x
    x = 11,874,679.83/3,714.12
  6. Step 6: Final answer
    x = 3,197.17

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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.