Home / 6,419.04-8,857.92-3,586.24

Finding the Fourth Proportional to 6,419.04, 8,857.92 and 3,586.24

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Solution

The fourth proportional to 6,419.04, 8,857.92 and 3,586.24 is: 4,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.04 : 8,857.92 = 3,586.24 : x
  2. Step 2: Convert to fraction form
    6,419.04/8,857.92 = 3,586.24/x
  3. Step 3: Cross multiply
    6,419.04x = 8,857.92 × 3,586.24
  4. Step 4: Simplify right side
    6,419.04x = 31,766,627.02
  5. Step 5: Solve for x
    x = 31,766,627.02/6,419.04
  6. Step 6: Final answer
    x = 4,948.81

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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.