Home / 5,712.08-8,567.68-2,203.76

Finding the Fourth Proportional to 5,712.08, 8,567.68 and 2,203.76

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Solution

The fourth proportional to 5,712.08, 8,567.68 and 2,203.76 is: 3,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.08 : 8,567.68 = 2,203.76 : x
  2. Step 2: Convert to fraction form
    5,712.08/8,567.68 = 2,203.76/x
  3. Step 3: Cross multiply
    5,712.08x = 8,567.68 × 2,203.76
  4. Step 4: Simplify right side
    5,712.08x = 18,881,110.48
  5. Step 5: Solve for x
    x = 18,881,110.48/5,712.08
  6. Step 6: Final answer
    x = 3,305.47

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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.