Home / 5,329.40-7,356.12-3,092.30

Finding the Fourth Proportional to 5,329.40, 7,356.12 and 3,092.30

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Solution

The fourth proportional to 5,329.40, 7,356.12 and 3,092.30 is: 4,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.40 : 7,356.12 = 3,092.30 : x
  2. Step 2: Convert to fraction form
    5,329.40/7,356.12 = 3,092.30/x
  3. Step 3: Cross multiply
    5,329.40x = 7,356.12 × 3,092.30
  4. Step 4: Simplify right side
    5,329.40x = 22,747,329.88
  5. Step 5: Solve for x
    x = 22,747,329.88/5,329.40
  6. Step 6: Final answer
    x = 4,268.27

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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.