Home / 5,272.30-7,281.90-3,500.83

Finding the Fourth Proportional to 5,272.30, 7,281.90 and 3,500.83

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Solution

The fourth proportional to 5,272.30, 7,281.90 and 3,500.83 is: 4,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.30 : 7,281.90 = 3,500.83 : x
  2. Step 2: Convert to fraction form
    5,272.30/7,281.90 = 3,500.83/x
  3. Step 3: Cross multiply
    5,272.30x = 7,281.90 × 3,500.83
  4. Step 4: Simplify right side
    5,272.30x = 25,492,693.98
  5. Step 5: Solve for x
    x = 25,492,693.98/5,272.30
  6. Step 6: Final answer
    x = 4,835.21

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1.5x scale

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.