Home / 5,164.36-7,126.38-2,925.79

Finding the Fourth Proportional to 5,164.36, 7,126.38 and 2,925.79

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Solution

The fourth proportional to 5,164.36, 7,126.38 and 2,925.79 is: 4,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.36 : 7,126.38 = 2,925.79 : x
  2. Step 2: Convert to fraction form
    5,164.36/7,126.38 = 2,925.79/x
  3. Step 3: Cross multiply
    5,164.36x = 7,126.38 × 2,925.79
  4. Step 4: Simplify right side
    5,164.36x = 20,850,273.52
  5. Step 5: Solve for x
    x = 20,850,273.52/5,164.36
  6. Step 6: Final answer
    x = 4,037.34

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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.