Home / 2,775.48-3,828.80-1,656.06

Finding the Fourth Proportional to 2,775.48, 3,828.80 and 1,656.06

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Solution

The fourth proportional to 2,775.48, 3,828.80 and 1,656.06 is: 2,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.48 : 3,828.80 = 1,656.06 : x
  2. Step 2: Convert to fraction form
    2,775.48/3,828.80 = 1,656.06/x
  3. Step 3: Cross multiply
    2,775.48x = 3,828.80 × 1,656.06
  4. Step 4: Simplify right side
    2,775.48x = 6,340,722.53
  5. Step 5: Solve for x
    x = 6,340,722.53/2,775.48
  6. Step 6: Final answer
    x = 2,284.55

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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.