Home / 3,485.96-4,810.61-1,892.61

Finding the Fourth Proportional to 3,485.96, 4,810.61 and 1,892.61

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Solution

The fourth proportional to 3,485.96, 4,810.61 and 1,892.61 is: 2,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.96 : 4,810.61 = 1,892.61 : x
  2. Step 2: Convert to fraction form
    3,485.96/4,810.61 = 1,892.61/x
  3. Step 3: Cross multiply
    3,485.96x = 4,810.61 × 1,892.61
  4. Step 4: Simplify right side
    3,485.96x = 9,104,599.13
  5. Step 5: Solve for x
    x = 9,104,599.13/3,485.96
  6. Step 6: Final answer
    x = 2,611.79

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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.