Home / 4,129.11-5,696.79-2,359.47

Finding the Fourth Proportional to 4,129.11, 5,696.79 and 2,359.47

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Solution

The fourth proportional to 4,129.11, 5,696.79 and 2,359.47 is: 3,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.11 : 5,696.79 = 2,359.47 : x
  2. Step 2: Convert to fraction form
    4,129.11/5,696.79 = 2,359.47/x
  3. Step 3: Cross multiply
    4,129.11x = 5,696.79 × 2,359.47
  4. Step 4: Simplify right side
    4,129.11x = 13,441,405.10
  5. Step 5: Solve for x
    x = 13,441,405.10/4,129.11
  6. Step 6: Final answer
    x = 3,255.28

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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.