Home / 2,925.25-4,036.80-1,790.54

Finding the Fourth Proportional to 2,925.25, 4,036.80 and 1,790.54

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Solution

The fourth proportional to 2,925.25, 4,036.80 and 1,790.54 is: 2,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.25 : 4,036.80 = 1,790.54 : x
  2. Step 2: Convert to fraction form
    2,925.25/4,036.80 = 1,790.54/x
  3. Step 3: Cross multiply
    2,925.25x = 4,036.80 × 1,790.54
  4. Step 4: Simplify right side
    2,925.25x = 7,228,053.54
  5. Step 5: Solve for x
    x = 7,228,053.54/2,925.25
  6. Step 6: Final answer
    x = 2,470.92

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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.