Home / 5,718.83-8,570.55-2,431.04

Finding the Fourth Proportional to 5,718.83, 8,570.55 and 2,431.04

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Solution

The fourth proportional to 5,718.83, 8,570.55 and 2,431.04 is: 3,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.83 : 8,570.55 = 2,431.04 : x
  2. Step 2: Convert to fraction form
    5,718.83/8,570.55 = 2,431.04/x
  3. Step 3: Cross multiply
    5,718.83x = 8,570.55 × 2,431.04
  4. Step 4: Simplify right side
    5,718.83x = 20,835,349.87
  5. Step 5: Solve for x
    x = 20,835,349.87/5,718.83
  6. Step 6: Final answer
    x = 3,643.29

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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.