Home / 3,357.72-4,633.30-1,865.60

Finding the Fourth Proportional to 3,357.72, 4,633.30 and 1,865.60

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Solution

The fourth proportional to 3,357.72, 4,633.30 and 1,865.60 is: 2,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.72 : 4,633.30 = 1,865.60 : x
  2. Step 2: Convert to fraction form
    3,357.72/4,633.30 = 1,865.60/x
  3. Step 3: Cross multiply
    3,357.72x = 4,633.30 × 1,865.60
  4. Step 4: Simplify right side
    3,357.72x = 8,643,881.02
  5. Step 5: Solve for x
    x = 8,643,881.02/3,357.72
  6. Step 6: Final answer
    x = 2,574.33

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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.