Home / 3,192.56-4,405.80-1,795.76

Finding the Fourth Proportional to 3,192.56, 4,405.80 and 1,795.76

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Solution

The fourth proportional to 3,192.56, 4,405.80 and 1,795.76 is: 2,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.56 : 4,405.80 = 1,795.76 : x
  2. Step 2: Convert to fraction form
    3,192.56/4,405.80 = 1,795.76/x
  3. Step 3: Cross multiply
    3,192.56x = 4,405.80 × 1,795.76
  4. Step 4: Simplify right side
    3,192.56x = 7,911,759.41
  5. Step 5: Solve for x
    x = 7,911,759.41/3,192.56
  6. Step 6: Final answer
    x = 2,478.19

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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.