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Finding the Fourth Proportional to 3,607.04, 5,412.12 and 1,759.76

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Solution

The fourth proportional to 3,607.04, 5,412.12 and 1,759.76 is: 2,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.04 : 5,412.12 = 1,759.76 : x
  2. Step 2: Convert to fraction form
    3,607.04/5,412.12 = 1,759.76/x
  3. Step 3: Cross multiply
    3,607.04x = 5,412.12 × 1,759.76
  4. Step 4: Simplify right side
    3,607.04x = 9,524,032.29
  5. Step 5: Solve for x
    x = 9,524,032.29/3,607.04
  6. Step 6: Final answer
    x = 2,640.40

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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.