Home / 3,168.63-4,373.91-2,836.46

Finding the Fourth Proportional to 3,168.63, 4,373.91 and 2,836.46

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Solution

The fourth proportional to 3,168.63, 4,373.91 and 2,836.46 is: 3,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.63 : 4,373.91 = 2,836.46 : x
  2. Step 2: Convert to fraction form
    3,168.63/4,373.91 = 2,836.46/x
  3. Step 3: Cross multiply
    3,168.63x = 4,373.91 × 2,836.46
  4. Step 4: Simplify right side
    3,168.63x = 12,406,398.89
  5. Step 5: Solve for x
    x = 12,406,398.89/3,168.63
  6. Step 6: Final answer
    x = 3,915.38

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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.