Home / 5,579.01-7,698.96-3,221.10

Finding the Fourth Proportional to 5,579.01, 7,698.96 and 3,221.10

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Solution

The fourth proportional to 5,579.01, 7,698.96 and 3,221.10 is: 4,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.01 : 7,698.96 = 3,221.10 : x
  2. Step 2: Convert to fraction form
    5,579.01/7,698.96 = 3,221.10/x
  3. Step 3: Cross multiply
    5,579.01x = 7,698.96 × 3,221.10
  4. Step 4: Simplify right side
    5,579.01x = 24,799,120.06
  5. Step 5: Solve for x
    x = 24,799,120.06/5,579.01
  6. Step 6: Final answer
    x = 4,445.08

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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.