Home / 4,192.31-6,288.48-1,114.31

Finding the Fourth Proportional to 4,192.31, 6,288.48 and 1,114.31

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Solution

The fourth proportional to 4,192.31, 6,288.48 and 1,114.31 is: 1,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.31 : 6,288.48 = 1,114.31 : x
  2. Step 2: Convert to fraction form
    4,192.31/6,288.48 = 1,114.31/x
  3. Step 3: Cross multiply
    4,192.31x = 6,288.48 × 1,114.31
  4. Step 4: Simplify right side
    4,192.31x = 7,007,331.87
  5. Step 5: Solve for x
    x = 7,007,331.87/4,192.31
  6. Step 6: Final answer
    x = 1,671.47

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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.