Home / 3,281.07-4,528.01-1,789.01

Finding the Fourth Proportional to 3,281.07, 4,528.01 and 1,789.01

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Solution

The fourth proportional to 3,281.07, 4,528.01 and 1,789.01 is: 2,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.07 : 4,528.01 = 1,789.01 : x
  2. Step 2: Convert to fraction form
    3,281.07/4,528.01 = 1,789.01/x
  3. Step 3: Cross multiply
    3,281.07x = 4,528.01 × 1,789.01
  4. Step 4: Simplify right side
    3,281.07x = 8,100,655.17
  5. Step 5: Solve for x
    x = 8,100,655.17/3,281.07
  6. Step 6: Final answer
    x = 2,468.91

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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.