Home / 5,673.38-8,512.80-4,276.89

Finding the Fourth Proportional to 5,673.38, 8,512.80 and 4,276.89

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Solution

The fourth proportional to 5,673.38, 8,512.80 and 4,276.89 is: 6,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.38 : 8,512.80 = 4,276.89 : x
  2. Step 2: Convert to fraction form
    5,673.38/8,512.80 = 4,276.89/x
  3. Step 3: Cross multiply
    5,673.38x = 8,512.80 × 4,276.89
  4. Step 4: Simplify right side
    5,673.38x = 36,408,309.19
  5. Step 5: Solve for x
    x = 36,408,309.19/5,673.38
  6. Step 6: Final answer
    x = 6,417.39

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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.