Home / 5,722.36-8,584.08-2,390.20

Finding the Fourth Proportional to 5,722.36, 8,584.08 and 2,390.20

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Solution

The fourth proportional to 5,722.36, 8,584.08 and 2,390.20 is: 3,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.36 : 8,584.08 = 2,390.20 : x
  2. Step 2: Convert to fraction form
    5,722.36/8,584.08 = 2,390.20/x
  3. Step 3: Cross multiply
    5,722.36x = 8,584.08 × 2,390.20
  4. Step 4: Simplify right side
    5,722.36x = 20,517,668.02
  5. Step 5: Solve for x
    x = 20,517,668.02/5,722.36
  6. Step 6: Final answer
    x = 3,585.53

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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.