Home / 5,300.91-7,951.46-1,790.96

Finding the Fourth Proportional to 5,300.91, 7,951.46 and 1,790.96

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Solution

The fourth proportional to 5,300.91, 7,951.46 and 1,790.96 is: 2,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.91 : 7,951.46 = 1,790.96 : x
  2. Step 2: Convert to fraction form
    5,300.91/7,951.46 = 1,790.96/x
  3. Step 3: Cross multiply
    5,300.91x = 7,951.46 × 1,790.96
  4. Step 4: Simplify right side
    5,300.91x = 14,240,698.09
  5. Step 5: Solve for x
    x = 14,240,698.09/5,300.91
  6. Step 6: Final answer
    x = 2,686.46

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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.