Home / 3,038.25-4,192.79-1,859.32

Finding the Fourth Proportional to 3,038.25, 4,192.79 and 1,859.32

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Solution

The fourth proportional to 3,038.25, 4,192.79 and 1,859.32 is: 2,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.25 : 4,192.79 = 1,859.32 : x
  2. Step 2: Convert to fraction form
    3,038.25/4,192.79 = 1,859.32/x
  3. Step 3: Cross multiply
    3,038.25x = 4,192.79 × 1,859.32
  4. Step 4: Simplify right side
    3,038.25x = 7,795,738.30
  5. Step 5: Solve for x
    x = 7,795,738.30/3,038.25
  6. Step 6: Final answer
    x = 2,565.86

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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.