Home / 4,127.76-5,699.16-3,006.72

Finding the Fourth Proportional to 4,127.76, 5,699.16 and 3,006.72

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Solution

The fourth proportional to 4,127.76, 5,699.16 and 3,006.72 is: 4,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.76 : 5,699.16 = 3,006.72 : x
  2. Step 2: Convert to fraction form
    4,127.76/5,699.16 = 3,006.72/x
  3. Step 3: Cross multiply
    4,127.76x = 5,699.16 × 3,006.72
  4. Step 4: Simplify right side
    4,127.76x = 17,135,778.36
  5. Step 5: Solve for x
    x = 17,135,778.36/4,127.76
  6. Step 6: Final answer
    x = 4,151.35

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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.