Home / 4,700.16-7,045.38-2,231.28

Finding the Fourth Proportional to 4,700.16, 7,045.38 and 2,231.28

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Solution

The fourth proportional to 4,700.16, 7,045.38 and 2,231.28 is: 3,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.16 : 7,045.38 = 2,231.28 : x
  2. Step 2: Convert to fraction form
    4,700.16/7,045.38 = 2,231.28/x
  3. Step 3: Cross multiply
    4,700.16x = 7,045.38 × 2,231.28
  4. Step 4: Simplify right side
    4,700.16x = 15,720,215.49
  5. Step 5: Solve for x
    x = 15,720,215.49/4,700.16
  6. Step 6: Final answer
    x = 3,344.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.