Home / 4,785.70-7,180.98-2,152.68

Finding the Fourth Proportional to 4,785.70, 7,180.98 and 2,152.68

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Solution

The fourth proportional to 4,785.70, 7,180.98 and 2,152.68 is: 3,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.70 : 7,180.98 = 2,152.68 : x
  2. Step 2: Convert to fraction form
    4,785.70/7,180.98 = 2,152.68/x
  3. Step 3: Cross multiply
    4,785.70x = 7,180.98 × 2,152.68
  4. Step 4: Simplify right side
    4,785.70x = 15,458,323.08
  5. Step 5: Solve for x
    x = 15,458,323.08/4,785.70
  6. Step 6: Final answer
    x = 3,230.11

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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.