Home / 4,790.50-7,182.78-2,015.74

Finding the Fourth Proportional to 4,790.50, 7,182.78 and 2,015.74

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Solution

The fourth proportional to 4,790.50, 7,182.78 and 2,015.74 is: 3,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.50 : 7,182.78 = 2,015.74 : x
  2. Step 2: Convert to fraction form
    4,790.50/7,182.78 = 2,015.74/x
  3. Step 3: Cross multiply
    4,790.50x = 7,182.78 × 2,015.74
  4. Step 4: Simplify right side
    4,790.50x = 14,478,599.00
  5. Step 5: Solve for x
    x = 14,478,599.00/4,790.50
  6. Step 6: Final answer
    x = 3,022.36

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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.