Home / 4,345.12-6,520.56-2,003.68

Finding the Fourth Proportional to 4,345.12, 6,520.56 and 2,003.68

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Solution

The fourth proportional to 4,345.12, 6,520.56 and 2,003.68 is: 3,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.12 : 6,520.56 = 2,003.68 : x
  2. Step 2: Convert to fraction form
    4,345.12/6,520.56 = 2,003.68/x
  3. Step 3: Cross multiply
    4,345.12x = 6,520.56 × 2,003.68
  4. Step 4: Simplify right side
    4,345.12x = 13,065,115.66
  5. Step 5: Solve for x
    x = 13,065,115.66/4,345.12
  6. Step 6: Final answer
    x = 3,006.85

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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.