Home / 3,126.17-4,315.91-2,333.86

Finding the Fourth Proportional to 3,126.17, 4,315.91 and 2,333.86

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Solution

The fourth proportional to 3,126.17, 4,315.91 and 2,333.86 is: 3,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.17 : 4,315.91 = 2,333.86 : x
  2. Step 2: Convert to fraction form
    3,126.17/4,315.91 = 2,333.86/x
  3. Step 3: Cross multiply
    3,126.17x = 4,315.91 × 2,333.86
  4. Step 4: Simplify right side
    3,126.17x = 10,072,696.46
  5. Step 5: Solve for x
    x = 10,072,696.46/3,126.17
  6. Step 6: Final answer
    x = 3,222.06

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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.