Home / 3,281.30-4,528.37-1,864.96

Finding the Fourth Proportional to 3,281.30, 4,528.37 and 1,864.96

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Solution

The fourth proportional to 3,281.30, 4,528.37 and 1,864.96 is: 2,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.30 : 4,528.37 = 1,864.96 : x
  2. Step 2: Convert to fraction form
    3,281.30/4,528.37 = 1,864.96/x
  3. Step 3: Cross multiply
    3,281.30x = 4,528.37 × 1,864.96
  4. Step 4: Simplify right side
    3,281.30x = 8,445,196.95
  5. Step 5: Solve for x
    x = 8,445,196.95/3,281.30
  6. Step 6: Final answer
    x = 2,573.74

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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.