Home / 1,790.44-2,470.80-1,092.22

Finding the Fourth Proportional to 1,790.44, 2,470.80 and 1,092.22

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Solution

The fourth proportional to 1,790.44, 2,470.80 and 1,092.22 is: 1,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.44 : 2,470.80 = 1,092.22 : x
  2. Step 2: Convert to fraction form
    1,790.44/2,470.80 = 1,092.22/x
  3. Step 3: Cross multiply
    1,790.44x = 2,470.80 × 1,092.22
  4. Step 4: Simplify right side
    1,790.44x = 2,698,657.18
  5. Step 5: Solve for x
    x = 2,698,657.18/1,790.44
  6. Step 6: Final answer
    x = 1,507.26

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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.