Home / 5,192.12-7,172.95-3,403.85

Finding the Fourth Proportional to 5,192.12, 7,172.95 and 3,403.85

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Solution

The fourth proportional to 5,192.12, 7,172.95 and 3,403.85 is: 4,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.12 : 7,172.95 = 3,403.85 : x
  2. Step 2: Convert to fraction form
    5,192.12/7,172.95 = 3,403.85/x
  3. Step 3: Cross multiply
    5,192.12x = 7,172.95 × 3,403.85
  4. Step 4: Simplify right side
    5,192.12x = 24,415,628.84
  5. Step 5: Solve for x
    x = 24,415,628.84/5,192.12
  6. Step 6: Final answer
    x = 4,702.44

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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.