Home / 2,609.12-3,591.60-2,277.02

Finding the Fourth Proportional to 2,609.12, 3,591.60 and 2,277.02

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Solution

The fourth proportional to 2,609.12, 3,591.60 and 2,277.02 is: 3,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.12 : 3,591.60 = 2,277.02 : x
  2. Step 2: Convert to fraction form
    2,609.12/3,591.60 = 2,277.02/x
  3. Step 3: Cross multiply
    2,609.12x = 3,591.60 × 2,277.02
  4. Step 4: Simplify right side
    2,609.12x = 8,178,145.03
  5. Step 5: Solve for x
    x = 8,178,145.03/2,609.12
  6. Step 6: Final answer
    x = 3,134.45

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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.