Home / 1,852.72-2,555.48-1,190.36

Finding the Fourth Proportional to 1,852.72, 2,555.48 and 1,190.36

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Solution

The fourth proportional to 1,852.72, 2,555.48 and 1,190.36 is: 1,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.72 : 2,555.48 = 1,190.36 : x
  2. Step 2: Convert to fraction form
    1,852.72/2,555.48 = 1,190.36/x
  3. Step 3: Cross multiply
    1,852.72x = 2,555.48 × 1,190.36
  4. Step 4: Simplify right side
    1,852.72x = 3,041,950.54
  5. Step 5: Solve for x
    x = 3,041,950.54/1,852.72
  6. Step 6: Final answer
    x = 1,641.89

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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.