Home / 1,848.80-2,551.32-1,009.58

Finding the Fourth Proportional to 1,848.80, 2,551.32 and 1,009.58

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Solution

The fourth proportional to 1,848.80, 2,551.32 and 1,009.58 is: 1,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.80 : 2,551.32 = 1,009.58 : x
  2. Step 2: Convert to fraction form
    1,848.80/2,551.32 = 1,009.58/x
  3. Step 3: Cross multiply
    1,848.80x = 2,551.32 × 1,009.58
  4. Step 4: Simplify right side
    1,848.80x = 2,575,761.65
  5. Step 5: Solve for x
    x = 2,575,761.65/1,848.80
  6. Step 6: Final answer
    x = 1,393.21

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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.