Home / 5,065.80-7,599.18-2,103.64

Finding the Fourth Proportional to 5,065.80, 7,599.18 and 2,103.64

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Solution

The fourth proportional to 5,065.80, 7,599.18 and 2,103.64 is: 3,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.80 : 7,599.18 = 2,103.64 : x
  2. Step 2: Convert to fraction form
    5,065.80/7,599.18 = 2,103.64/x
  3. Step 3: Cross multiply
    5,065.80x = 7,599.18 × 2,103.64
  4. Step 4: Simplify right side
    5,065.80x = 15,985,939.02
  5. Step 5: Solve for x
    x = 15,985,939.02/5,065.80
  6. Step 6: Final answer
    x = 3,155.66

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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.