Home / 3,133.08-4,700.48-1,185.32

Finding the Fourth Proportional to 3,133.08, 4,700.48 and 1,185.32

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Solution

The fourth proportional to 3,133.08, 4,700.48 and 1,185.32 is: 1,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.08 : 4,700.48 = 1,185.32 : x
  2. Step 2: Convert to fraction form
    3,133.08/4,700.48 = 1,185.32/x
  3. Step 3: Cross multiply
    3,133.08x = 4,700.48 × 1,185.32
  4. Step 4: Simplify right side
    3,133.08x = 5,571,572.95
  5. Step 5: Solve for x
    x = 5,571,572.95/3,133.08
  6. Step 6: Final answer
    x = 1,778.31

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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.