Home / 6,285.24-8,672.58-3,490.68

Finding the Fourth Proportional to 6,285.24, 8,672.58 and 3,490.68

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Solution

The fourth proportional to 6,285.24, 8,672.58 and 3,490.68 is: 4,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.24 : 8,672.58 = 3,490.68 : x
  2. Step 2: Convert to fraction form
    6,285.24/8,672.58 = 3,490.68/x
  3. Step 3: Cross multiply
    6,285.24x = 8,672.58 × 3,490.68
  4. Step 4: Simplify right side
    6,285.24x = 30,273,201.55
  5. Step 5: Solve for x
    x = 30,273,201.55/6,285.24
  6. Step 6: Final answer
    x = 4,816.55

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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.