Home / 6,145.24-8,480.43-3,350.74

Finding the Fourth Proportional to 6,145.24, 8,480.43 and 3,350.74

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Solution

The fourth proportional to 6,145.24, 8,480.43 and 3,350.74 is: 4,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.24 : 8,480.43 = 3,350.74 : x
  2. Step 2: Convert to fraction form
    6,145.24/8,480.43 = 3,350.74/x
  3. Step 3: Cross multiply
    6,145.24x = 8,480.43 × 3,350.74
  4. Step 4: Simplify right side
    6,145.24x = 28,415,748.71
  5. Step 5: Solve for x
    x = 28,415,748.71/6,145.24
  6. Step 6: Final answer
    x = 4,624.02

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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.