Home / 5,602.47-8,408.90-2,831.09

Finding the Fourth Proportional to 5,602.47, 8,408.90 and 2,831.09

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Solution

The fourth proportional to 5,602.47, 8,408.90 and 2,831.09 is: 4,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.47 : 8,408.90 = 2,831.09 : x
  2. Step 2: Convert to fraction form
    5,602.47/8,408.90 = 2,831.09/x
  3. Step 3: Cross multiply
    5,602.47x = 8,408.90 × 2,831.09
  4. Step 4: Simplify right side
    5,602.47x = 23,806,352.70
  5. Step 5: Solve for x
    x = 23,806,352.70/5,602.47
  6. Step 6: Final answer
    x = 4,249.26

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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.