Home / 5,126.64-7,076.16-3,634.80

Finding the Fourth Proportional to 5,126.64, 7,076.16 and 3,634.80

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Solution

The fourth proportional to 5,126.64, 7,076.16 and 3,634.80 is: 5,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.64 : 7,076.16 = 3,634.80 : x
  2. Step 2: Convert to fraction form
    5,126.64/7,076.16 = 3,634.80/x
  3. Step 3: Cross multiply
    5,126.64x = 7,076.16 × 3,634.80
  4. Step 4: Simplify right side
    5,126.64x = 25,720,426.37
  5. Step 5: Solve for x
    x = 25,720,426.37/5,126.64
  6. Step 6: Final answer
    x = 5,017.01

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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.