Home / 4,950.78-7,417.44-2,999.07

Finding the Fourth Proportional to 4,950.78, 7,417.44 and 2,999.07

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Solution

The fourth proportional to 4,950.78, 7,417.44 and 2,999.07 is: 4,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.78 : 7,417.44 = 2,999.07 : x
  2. Step 2: Convert to fraction form
    4,950.78/7,417.44 = 2,999.07/x
  3. Step 3: Cross multiply
    4,950.78x = 7,417.44 × 2,999.07
  4. Step 4: Simplify right side
    4,950.78x = 22,245,421.78
  5. Step 5: Solve for x
    x = 22,245,421.78/4,950.78
  6. Step 6: Final answer
    x = 4,493.32

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1.5x scale

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.