Home / 3,281.66-4,528.72-1,955.08

Finding the Fourth Proportional to 3,281.66, 4,528.72 and 1,955.08

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Solution

The fourth proportional to 3,281.66, 4,528.72 and 1,955.08 is: 2,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.66 : 4,528.72 = 1,955.08 : x
  2. Step 2: Convert to fraction form
    3,281.66/4,528.72 = 1,955.08/x
  3. Step 3: Cross multiply
    3,281.66x = 4,528.72 × 1,955.08
  4. Step 4: Simplify right side
    3,281.66x = 8,854,009.90
  5. Step 5: Solve for x
    x = 8,854,009.90/3,281.66
  6. Step 6: Final answer
    x = 2,698.03

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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.