Home / 4,785.54-7,178.83-2,012.50

Finding the Fourth Proportional to 4,785.54, 7,178.83 and 2,012.50

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Solution

The fourth proportional to 4,785.54, 7,178.83 and 2,012.50 is: 3,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.54 : 7,178.83 = 2,012.50 : x
  2. Step 2: Convert to fraction form
    4,785.54/7,178.83 = 2,012.50/x
  3. Step 3: Cross multiply
    4,785.54x = 7,178.83 × 2,012.50
  4. Step 4: Simplify right side
    4,785.54x = 14,447,358.94
  5. Step 5: Solve for x
    x = 14,447,358.94/4,785.54
  6. Step 6: Final answer
    x = 3,018.96

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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.