Home / 4,472.21-6,168.84-2,880.92

Finding the Fourth Proportional to 4,472.21, 6,168.84 and 2,880.92

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Solution

The fourth proportional to 4,472.21, 6,168.84 and 2,880.92 is: 3,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.21 : 6,168.84 = 2,880.92 : x
  2. Step 2: Convert to fraction form
    4,472.21/6,168.84 = 2,880.92/x
  3. Step 3: Cross multiply
    4,472.21x = 6,168.84 × 2,880.92
  4. Step 4: Simplify right side
    4,472.21x = 17,771,903.69
  5. Step 5: Solve for x
    x = 17,771,903.69/4,472.21
  6. Step 6: Final answer
    x = 3,973.86

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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.