Home / 4,930.09-7,421.77-4,494.13

Finding the Fourth Proportional to 4,930.09, 7,421.77 and 4,494.13

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Solution

The fourth proportional to 4,930.09, 7,421.77 and 4,494.13 is: 6,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.09 : 7,421.77 = 4,494.13 : x
  2. Step 2: Convert to fraction form
    4,930.09/7,421.77 = 4,494.13/x
  3. Step 3: Cross multiply
    4,930.09x = 7,421.77 × 4,494.13
  4. Step 4: Simplify right side
    4,930.09x = 33,354,399.21
  5. Step 5: Solve for x
    x = 33,354,399.21/4,930.09
  6. Step 6: Final answer
    x = 6,765.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.