Home / 4,129.07-5,696.33-2,764.70

Finding the Fourth Proportional to 4,129.07, 5,696.33 and 2,764.70

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Solution

The fourth proportional to 4,129.07, 5,696.33 and 2,764.70 is: 3,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.07 : 5,696.33 = 2,764.70 : x
  2. Step 2: Convert to fraction form
    4,129.07/5,696.33 = 2,764.70/x
  3. Step 3: Cross multiply
    4,129.07x = 5,696.33 × 2,764.70
  4. Step 4: Simplify right side
    4,129.07x = 15,748,601.25
  5. Step 5: Solve for x
    x = 15,748,601.25/4,129.07
  6. Step 6: Final answer
    x = 3,814.08

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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.