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Finding the Fourth Proportional to 4,129.84, 5,699.14 and 2,266.84

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Solution

The fourth proportional to 4,129.84, 5,699.14 and 2,266.84 is: 3,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.84 : 5,699.14 = 2,266.84 : x
  2. Step 2: Convert to fraction form
    4,129.84/5,699.14 = 2,266.84/x
  3. Step 3: Cross multiply
    4,129.84x = 5,699.14 × 2,266.84
  4. Step 4: Simplify right side
    4,129.84x = 12,919,038.52
  5. Step 5: Solve for x
    x = 12,919,038.52/4,129.84
  6. Step 6: Final answer
    x = 3,128.22

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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.