Home / 3,663.30-5,053.41-2,777.64

Finding the Fourth Proportional to 3,663.30, 5,053.41 and 2,777.64

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Solution

The fourth proportional to 3,663.30, 5,053.41 and 2,777.64 is: 3,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.30 : 5,053.41 = 2,777.64 : x
  2. Step 2: Convert to fraction form
    3,663.30/5,053.41 = 2,777.64/x
  3. Step 3: Cross multiply
    3,663.30x = 5,053.41 × 2,777.64
  4. Step 4: Simplify right side
    3,663.30x = 14,036,553.75
  5. Step 5: Solve for x
    x = 14,036,553.75/3,663.30
  6. Step 6: Final answer
    x = 3,831.67

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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.