Home / 2,926.63-4,390.08-1,627.12

Finding the Fourth Proportional to 2,926.63, 4,390.08 and 1,627.12

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Solution

The fourth proportional to 2,926.63, 4,390.08 and 1,627.12 is: 2,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.63 : 4,390.08 = 1,627.12 : x
  2. Step 2: Convert to fraction form
    2,926.63/4,390.08 = 1,627.12/x
  3. Step 3: Cross multiply
    2,926.63x = 4,390.08 × 1,627.12
  4. Step 4: Simplify right side
    2,926.63x = 7,143,186.97
  5. Step 5: Solve for x
    x = 7,143,186.97/2,926.63
  6. Step 6: Final answer
    x = 2,440.76

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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.