Home / 3,275.43-4,520.21-1,859.13

Finding the Fourth Proportional to 3,275.43, 4,520.21 and 1,859.13

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Solution

The fourth proportional to 3,275.43, 4,520.21 and 1,859.13 is: 2,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.43 : 4,520.21 = 1,859.13 : x
  2. Step 2: Convert to fraction form
    3,275.43/4,520.21 = 1,859.13/x
  3. Step 3: Cross multiply
    3,275.43x = 4,520.21 × 1,859.13
  4. Step 4: Simplify right side
    3,275.43x = 8,403,658.02
  5. Step 5: Solve for x
    x = 8,403,658.02/3,275.43
  6. Step 6: Final answer
    x = 2,565.67

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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.