Home / 4,890.20-7,335.32-1,192.44

Finding the Fourth Proportional to 4,890.20, 7,335.32 and 1,192.44

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Solution

The fourth proportional to 4,890.20, 7,335.32 and 1,192.44 is: 1,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.20 : 7,335.32 = 1,192.44 : x
  2. Step 2: Convert to fraction form
    4,890.20/7,335.32 = 1,192.44/x
  3. Step 3: Cross multiply
    4,890.20x = 7,335.32 × 1,192.44
  4. Step 4: Simplify right side
    4,890.20x = 8,746,923.02
  5. Step 5: Solve for x
    x = 8,746,923.02/4,890.20
  6. Step 6: Final answer
    x = 1,788.67

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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.