Home / 4,890.32-7,335.44-1,192.47

Finding the Fourth Proportional to 4,890.32, 7,335.44 and 1,192.47

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Solution

The fourth proportional to 4,890.32, 7,335.44 and 1,192.47 is: 1,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.32 : 7,335.44 = 1,192.47 : x
  2. Step 2: Convert to fraction form
    4,890.32/7,335.44 = 1,192.47/x
  3. Step 3: Cross multiply
    4,890.32x = 7,335.44 × 1,192.47
  4. Step 4: Simplify right side
    4,890.32x = 8,747,292.14
  5. Step 5: Solve for x
    x = 8,747,292.14/4,890.32
  6. Step 6: Final answer
    x = 1,788.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.