Home / 4,966.98-7,434.66-3,120.18

Finding the Fourth Proportional to 4,966.98, 7,434.66 and 3,120.18

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Solution

The fourth proportional to 4,966.98, 7,434.66 and 3,120.18 is: 4,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.98 : 7,434.66 = 3,120.18 : x
  2. Step 2: Convert to fraction form
    4,966.98/7,434.66 = 3,120.18/x
  3. Step 3: Cross multiply
    4,966.98x = 7,434.66 × 3,120.18
  4. Step 4: Simplify right side
    4,966.98x = 23,197,477.44
  5. Step 5: Solve for x
    x = 23,197,477.44/4,966.98
  6. Step 6: Final answer
    x = 4,670.34

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1.5x scale

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.