Home / 6,417.99-8,859.18-3,767.62

Finding the Fourth Proportional to 6,417.99, 8,859.18 and 3,767.62

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Solution

The fourth proportional to 6,417.99, 8,859.18 and 3,767.62 is: 5,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.99 : 8,859.18 = 3,767.62 : x
  2. Step 2: Convert to fraction form
    6,417.99/8,859.18 = 3,767.62/x
  3. Step 3: Cross multiply
    6,417.99x = 8,859.18 × 3,767.62
  4. Step 4: Simplify right side
    6,417.99x = 33,378,023.75
  5. Step 5: Solve for x
    x = 33,378,023.75/6,417.99
  6. Step 6: Final answer
    x = 5,200.70

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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.