Home / 4,706.40-7,064.88-2,976

Finding the Fourth Proportional to 4,706.40, 7,064.88 and 2,976

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Solution

The fourth proportional to 4,706.40, 7,064.88 and 2,976 is: 4,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,706.40 : 7,064.88 = 2,976 : x
  2. Step 2: Convert to fraction form
    4,706.40/7,064.88 = 2,976/x
  3. Step 3: Cross multiply
    4,706.40x = 7,064.88 × 2,976
  4. Step 4: Simplify right side
    4,706.40x = 21,025,082.88
  5. Step 5: Solve for x
    x = 21,025,082.88/4,706.40
  6. Step 6: Final answer
    x = 4,467.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.