Home / 3,547.17-4,895.01-2,221.61

Finding the Fourth Proportional to 3,547.17, 4,895.01 and 2,221.61

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Solution

The fourth proportional to 3,547.17, 4,895.01 and 2,221.61 is: 3,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.17 : 4,895.01 = 2,221.61 : x
  2. Step 2: Convert to fraction form
    3,547.17/4,895.01 = 2,221.61/x
  3. Step 3: Cross multiply
    3,547.17x = 4,895.01 × 2,221.61
  4. Step 4: Simplify right side
    3,547.17x = 10,874,778.69
  5. Step 5: Solve for x
    x = 10,874,778.69/3,547.17
  6. Step 6: Final answer
    x = 3,065.76

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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.