Home / 5,129.03-7,069.77-4,008.02

Finding the Fourth Proportional to 5,129.03, 7,069.77 and 4,008.02

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Solution

The fourth proportional to 5,129.03, 7,069.77 and 4,008.02 is: 5,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.03 : 7,069.77 = 4,008.02 : x
  2. Step 2: Convert to fraction form
    5,129.03/7,069.77 = 4,008.02/x
  3. Step 3: Cross multiply
    5,129.03x = 7,069.77 × 4,008.02
  4. Step 4: Simplify right side
    5,129.03x = 28,335,779.56
  5. Step 5: Solve for x
    x = 28,335,779.56/5,129.03
  6. Step 6: Final answer
    x = 5,524.59

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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.