Home / 6,031.02-8,321.84-3,378.54

Finding the Fourth Proportional to 6,031.02, 8,321.84 and 3,378.54

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Solution

The fourth proportional to 6,031.02, 8,321.84 and 3,378.54 is: 4,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,031.02 : 8,321.84 = 3,378.54 : x
  2. Step 2: Convert to fraction form
    6,031.02/8,321.84 = 3,378.54/x
  3. Step 3: Cross multiply
    6,031.02x = 8,321.84 × 3,378.54
  4. Step 4: Simplify right side
    6,031.02x = 28,115,669.31
  5. Step 5: Solve for x
    x = 28,115,669.31/6,031.02
  6. Step 6: Final answer
    x = 4,661.84

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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.