Home / 5,221.04-7,829.62-3,660.24

Finding the Fourth Proportional to 5,221.04, 7,829.62 and 3,660.24

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Solution

The fourth proportional to 5,221.04, 7,829.62 and 3,660.24 is: 5,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.04 : 7,829.62 = 3,660.24 : x
  2. Step 2: Convert to fraction form
    5,221.04/7,829.62 = 3,660.24/x
  3. Step 3: Cross multiply
    5,221.04x = 7,829.62 × 3,660.24
  4. Step 4: Simplify right side
    5,221.04x = 28,658,279.16
  5. Step 5: Solve for x
    x = 28,658,279.16/5,221.04
  6. Step 6: Final answer
    x = 5,489.00

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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.