Home / 5,349.49-7,382.34-3,111.16

Finding the Fourth Proportional to 5,349.49, 7,382.34 and 3,111.16

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Solution

The fourth proportional to 5,349.49, 7,382.34 and 3,111.16 is: 4,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.49 : 7,382.34 = 3,111.16 : x
  2. Step 2: Convert to fraction form
    5,349.49/7,382.34 = 3,111.16/x
  3. Step 3: Cross multiply
    5,349.49x = 7,382.34 × 3,111.16
  4. Step 4: Simplify right side
    5,349.49x = 22,967,636.30
  5. Step 5: Solve for x
    x = 22,967,636.30/5,349.49
  6. Step 6: Final answer
    x = 4,293.42

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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.