Home / 7,375.40-11,064.54-2,181.08

Finding the Fourth Proportional to 7,375.40, 11,064.54 and 2,181.08

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Solution

The fourth proportional to 7,375.40, 11,064.54 and 2,181.08 is: 3,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.40 : 11,064.54 = 2,181.08 : x
  2. Step 2: Convert to fraction form
    7,375.40/11,064.54 = 2,181.08/x
  3. Step 3: Cross multiply
    7,375.40x = 11,064.54 × 2,181.08
  4. Step 4: Simplify right side
    7,375.40x = 24,132,646.90
  5. Step 5: Solve for x
    x = 24,132,646.90/7,375.40
  6. Step 6: Final answer
    x = 3,272.05

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1.5x scale

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.