Home / 4,129.50-5,699.08-2,266.86

Finding the Fourth Proportional to 4,129.50, 5,699.08 and 2,266.86

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Solution

The fourth proportional to 4,129.50, 5,699.08 and 2,266.86 is: 3,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.50 : 5,699.08 = 2,266.86 : x
  2. Step 2: Convert to fraction form
    4,129.50/5,699.08 = 2,266.86/x
  3. Step 3: Cross multiply
    4,129.50x = 5,699.08 × 2,266.86
  4. Step 4: Simplify right side
    4,129.50x = 12,919,016.49
  5. Step 5: Solve for x
    x = 12,919,016.49/4,129.50
  6. Step 6: Final answer
    x = 3,128.47

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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.