Home / 5,705.65-7,873.91-3,581.26

Finding the Fourth Proportional to 5,705.65, 7,873.91 and 3,581.26

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Solution

The fourth proportional to 5,705.65, 7,873.91 and 3,581.26 is: 4,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.65 : 7,873.91 = 3,581.26 : x
  2. Step 2: Convert to fraction form
    5,705.65/7,873.91 = 3,581.26/x
  3. Step 3: Cross multiply
    5,705.65x = 7,873.91 × 3,581.26
  4. Step 4: Simplify right side
    5,705.65x = 28,198,518.93
  5. Step 5: Solve for x
    x = 28,198,518.93/5,705.65
  6. Step 6: Final answer
    x = 4,942.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.