Home / 5,003.72-7,505.58-2,078.84

Finding the Fourth Proportional to 5,003.72, 7,505.58 and 2,078.84

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Solution

The fourth proportional to 5,003.72, 7,505.58 and 2,078.84 is: 3,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.72 : 7,505.58 = 2,078.84 : x
  2. Step 2: Convert to fraction form
    5,003.72/7,505.58 = 2,078.84/x
  3. Step 3: Cross multiply
    5,003.72x = 7,505.58 × 2,078.84
  4. Step 4: Simplify right side
    5,003.72x = 15,602,899.93
  5. Step 5: Solve for x
    x = 15,602,899.93/5,003.72
  6. Step 6: Final answer
    x = 3,118.26

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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.