Home / 5,547.15-7,654.73-3,189.29

Finding the Fourth Proportional to 5,547.15, 7,654.73 and 3,189.29

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Solution

The fourth proportional to 5,547.15, 7,654.73 and 3,189.29 is: 4,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.15 : 7,654.73 = 3,189.29 : x
  2. Step 2: Convert to fraction form
    5,547.15/7,654.73 = 3,189.29/x
  3. Step 3: Cross multiply
    5,547.15x = 7,654.73 × 3,189.29
  4. Step 4: Simplify right side
    5,547.15x = 24,413,099.62
  5. Step 5: Solve for x
    x = 24,413,099.62/5,547.15
  6. Step 6: Final answer
    x = 4,401.02

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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.