Home / 3,192.71-4,405.60-1,776.17

Finding the Fourth Proportional to 3,192.71, 4,405.60 and 1,776.17

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Solution

The fourth proportional to 3,192.71, 4,405.60 and 1,776.17 is: 2,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.71 : 4,405.60 = 1,776.17 : x
  2. Step 2: Convert to fraction form
    3,192.71/4,405.60 = 1,776.17/x
  3. Step 3: Cross multiply
    3,192.71x = 4,405.60 × 1,776.17
  4. Step 4: Simplify right side
    3,192.71x = 7,825,094.55
  5. Step 5: Solve for x
    x = 7,825,094.55/3,192.71
  6. Step 6: Final answer
    x = 2,450.93

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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.