Home / 3,112.11-4,294.69-1,714.86

Finding the Fourth Proportional to 3,112.11, 4,294.69 and 1,714.86

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Solution

The fourth proportional to 3,112.11, 4,294.69 and 1,714.86 is: 2,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.11 : 4,294.69 = 1,714.86 : x
  2. Step 2: Convert to fraction form
    3,112.11/4,294.69 = 1,714.86/x
  3. Step 3: Cross multiply
    3,112.11x = 4,294.69 × 1,714.86
  4. Step 4: Simplify right side
    3,112.11x = 7,364,792.09
  5. Step 5: Solve for x
    x = 7,364,792.09/3,112.11
  6. Step 6: Final answer
    x = 2,366.49

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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.