Home / 1,852.22-2,555.89-1,055.58

Finding the Fourth Proportional to 1,852.22, 2,555.89 and 1,055.58

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Solution

The fourth proportional to 1,852.22, 2,555.89 and 1,055.58 is: 1,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.22 : 2,555.89 = 1,055.58 : x
  2. Step 2: Convert to fraction form
    1,852.22/2,555.89 = 1,055.58/x
  3. Step 3: Cross multiply
    1,852.22x = 2,555.89 × 1,055.58
  4. Step 4: Simplify right side
    1,852.22x = 2,697,943.73
  5. Step 5: Solve for x
    x = 2,697,943.73/1,852.22
  6. Step 6: Final answer
    x = 1,456.60

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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.