Home / 3,133.16-4,700.40-1,185.32

Finding the Fourth Proportional to 3,133.16, 4,700.40 and 1,185.32

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Solution

The fourth proportional to 3,133.16, 4,700.40 and 1,185.32 is: 1,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.16 : 4,700.40 = 1,185.32 : x
  2. Step 2: Convert to fraction form
    3,133.16/4,700.40 = 1,185.32/x
  3. Step 3: Cross multiply
    3,133.16x = 4,700.40 × 1,185.32
  4. Step 4: Simplify right side
    3,133.16x = 5,571,478.13
  5. Step 5: Solve for x
    x = 5,571,478.13/3,133.16
  6. Step 6: Final answer
    x = 1,778.23

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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.