Home / 5,434.39-7,499.43-2,950.39

Finding the Fourth Proportional to 5,434.39, 7,499.43 and 2,950.39

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Solution

The fourth proportional to 5,434.39, 7,499.43 and 2,950.39 is: 4,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.39 : 7,499.43 = 2,950.39 : x
  2. Step 2: Convert to fraction form
    5,434.39/7,499.43 = 2,950.39/x
  3. Step 3: Cross multiply
    5,434.39x = 7,499.43 × 2,950.39
  4. Step 4: Simplify right side
    5,434.39x = 22,126,243.28
  5. Step 5: Solve for x
    x = 22,126,243.28/5,434.39
  6. Step 6: Final answer
    x = 4,071.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.