Home / 5,712.36-8,569.44-2,425.47

Finding the Fourth Proportional to 5,712.36, 8,569.44 and 2,425.47

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Solution

The fourth proportional to 5,712.36, 8,569.44 and 2,425.47 is: 3,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.36 : 8,569.44 = 2,425.47 : x
  2. Step 2: Convert to fraction form
    5,712.36/8,569.44 = 2,425.47/x
  3. Step 3: Cross multiply
    5,712.36x = 8,569.44 × 2,425.47
  4. Step 4: Simplify right side
    5,712.36x = 20,784,919.64
  5. Step 5: Solve for x
    x = 20,784,919.64/5,712.36
  6. Step 6: Final answer
    x = 3,638.59

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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.