Home / 3,133.05-4,700.28-1,185.26

Finding the Fourth Proportional to 3,133.05, 4,700.28 and 1,185.26

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Solution

The fourth proportional to 3,133.05, 4,700.28 and 1,185.26 is: 1,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.05 : 4,700.28 = 1,185.26 : x
  2. Step 2: Convert to fraction form
    3,133.05/4,700.28 = 1,185.26/x
  3. Step 3: Cross multiply
    3,133.05x = 4,700.28 × 1,185.26
  4. Step 4: Simplify right side
    3,133.05x = 5,571,041.37
  5. Step 5: Solve for x
    x = 5,571,041.37/3,133.05
  6. Step 6: Final answer
    x = 1,778.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.