Home / 5,859.15-8,085.75-3,206.55

Finding the Fourth Proportional to 5,859.15, 8,085.75 and 3,206.55

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Solution

The fourth proportional to 5,859.15, 8,085.75 and 3,206.55 is: 4,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.15 : 8,085.75 = 3,206.55 : x
  2. Step 2: Convert to fraction form
    5,859.15/8,085.75 = 3,206.55/x
  3. Step 3: Cross multiply
    5,859.15x = 8,085.75 × 3,206.55
  4. Step 4: Simplify right side
    5,859.15x = 25,927,361.66
  5. Step 5: Solve for x
    x = 25,927,361.66/5,859.15
  6. Step 6: Final answer
    x = 4,425.11

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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.