Home / 4,140.86-5,714.41-2,372.58

Finding the Fourth Proportional to 4,140.86, 5,714.41 and 2,372.58

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Solution

The fourth proportional to 4,140.86, 5,714.41 and 2,372.58 is: 3,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.86 : 5,714.41 = 2,372.58 : x
  2. Step 2: Convert to fraction form
    4,140.86/5,714.41 = 2,372.58/x
  3. Step 3: Cross multiply
    4,140.86x = 5,714.41 × 2,372.58
  4. Step 4: Simplify right side
    4,140.86x = 13,557,894.88
  5. Step 5: Solve for x
    x = 13,557,894.88/4,140.86
  6. Step 6: Final answer
    x = 3,274.17

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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.