Home / 3,192.55-4,405.37-1,776.01

Finding the Fourth Proportional to 3,192.55, 4,405.37 and 1,776.01

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Solution

The fourth proportional to 3,192.55, 4,405.37 and 1,776.01 is: 2,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.55 : 4,405.37 = 1,776.01 : x
  2. Step 2: Convert to fraction form
    3,192.55/4,405.37 = 1,776.01/x
  3. Step 3: Cross multiply
    3,192.55x = 4,405.37 × 1,776.01
  4. Step 4: Simplify right side
    3,192.55x = 7,823,979.53
  5. Step 5: Solve for x
    x = 7,823,979.53/3,192.55
  6. Step 6: Final answer
    x = 2,450.70

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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.