Home / 6,031.79-8,323.86-3,379.21

Finding the Fourth Proportional to 6,031.79, 8,323.86 and 3,379.21

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Solution

The fourth proportional to 6,031.79, 8,323.86 and 3,379.21 is: 4,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,031.79 : 8,323.86 = 3,379.21 : x
  2. Step 2: Convert to fraction form
    6,031.79/8,323.86 = 3,379.21/x
  3. Step 3: Cross multiply
    6,031.79x = 8,323.86 × 3,379.21
  4. Step 4: Simplify right side
    6,031.79x = 28,128,050.14
  5. Step 5: Solve for x
    x = 28,128,050.14/6,031.79
  6. Step 6: Final answer
    x = 4,663.30

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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.