Home / 5,547.74-8,323.28-3,207.21

Finding the Fourth Proportional to 5,547.74, 8,323.28 and 3,207.21

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Solution

The fourth proportional to 5,547.74, 8,323.28 and 3,207.21 is: 4,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.74 : 8,323.28 = 3,207.21 : x
  2. Step 2: Convert to fraction form
    5,547.74/8,323.28 = 3,207.21/x
  3. Step 3: Cross multiply
    5,547.74x = 8,323.28 × 3,207.21
  4. Step 4: Simplify right side
    5,547.74x = 26,694,490.81
  5. Step 5: Solve for x
    x = 26,694,490.81/5,547.74
  6. Step 6: Final answer
    x = 4,811.78

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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.