Home / 3,525.30-5,281.11-1,881.30

Finding the Fourth Proportional to 3,525.30, 5,281.11 and 1,881.30

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Solution

The fourth proportional to 3,525.30, 5,281.11 and 1,881.30 is: 2,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.30 : 5,281.11 = 1,881.30 : x
  2. Step 2: Convert to fraction form
    3,525.30/5,281.11 = 1,881.30/x
  3. Step 3: Cross multiply
    3,525.30x = 5,281.11 × 1,881.30
  4. Step 4: Simplify right side
    3,525.30x = 9,935,352.24
  5. Step 5: Solve for x
    x = 9,935,352.24/3,525.30
  6. Step 6: Final answer
    x = 2,818.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.