Home / 6,207.66-8,567.81-3,689.28

Finding the Fourth Proportional to 6,207.66, 8,567.81 and 3,689.28

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Solution

The fourth proportional to 6,207.66, 8,567.81 and 3,689.28 is: 5,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.66 : 8,567.81 = 3,689.28 : x
  2. Step 2: Convert to fraction form
    6,207.66/8,567.81 = 3,689.28/x
  3. Step 3: Cross multiply
    6,207.66x = 8,567.81 × 3,689.28
  4. Step 4: Simplify right side
    6,207.66x = 31,609,050.08
  5. Step 5: Solve for x
    x = 31,609,050.08/6,207.66
  6. Step 6: Final answer
    x = 5,091.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.