Home / 4,992.36-7,490.43-2,070.42

Finding the Fourth Proportional to 4,992.36, 7,490.43 and 2,070.42

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Solution

The fourth proportional to 4,992.36, 7,490.43 and 2,070.42 is: 3,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.36 : 7,490.43 = 2,070.42 : x
  2. Step 2: Convert to fraction form
    4,992.36/7,490.43 = 2,070.42/x
  3. Step 3: Cross multiply
    4,992.36x = 7,490.43 × 2,070.42
  4. Step 4: Simplify right side
    4,992.36x = 15,508,336.08
  5. Step 5: Solve for x
    x = 15,508,336.08/4,992.36
  6. Step 6: Final answer
    x = 3,106.41

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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.