Home / 4,215.07-5,815.99-2,622.16

Finding the Fourth Proportional to 4,215.07, 5,815.99 and 2,622.16

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Solution

The fourth proportional to 4,215.07, 5,815.99 and 2,622.16 is: 3,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.07 : 5,815.99 = 2,622.16 : x
  2. Step 2: Convert to fraction form
    4,215.07/5,815.99 = 2,622.16/x
  3. Step 3: Cross multiply
    4,215.07x = 5,815.99 × 2,622.16
  4. Step 4: Simplify right side
    4,215.07x = 15,250,456.34
  5. Step 5: Solve for x
    x = 15,250,456.34/4,215.07
  6. Step 6: Final answer
    x = 3,618.08

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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.