Home / 5,313.29-7,333.23-3,074.78

Finding the Fourth Proportional to 5,313.29, 7,333.23 and 3,074.78

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Solution

The fourth proportional to 5,313.29, 7,333.23 and 3,074.78 is: 4,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.29 : 7,333.23 = 3,074.78 : x
  2. Step 2: Convert to fraction form
    5,313.29/7,333.23 = 3,074.78/x
  3. Step 3: Cross multiply
    5,313.29x = 7,333.23 × 3,074.78
  4. Step 4: Simplify right side
    5,313.29x = 22,548,068.94
  5. Step 5: Solve for x
    x = 22,548,068.94/5,313.29
  6. Step 6: Final answer
    x = 4,243.71

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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.