Home / 4,770.36-7,143.99-2,424.20

Finding the Fourth Proportional to 4,770.36, 7,143.99 and 2,424.20

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Solution

The fourth proportional to 4,770.36, 7,143.99 and 2,424.20 is: 3,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.36 : 7,143.99 = 2,424.20 : x
  2. Step 2: Convert to fraction form
    4,770.36/7,143.99 = 2,424.20/x
  3. Step 3: Cross multiply
    4,770.36x = 7,143.99 × 2,424.20
  4. Step 4: Simplify right side
    4,770.36x = 17,318,424.84
  5. Step 5: Solve for x
    x = 17,318,424.84/4,770.36
  6. Step 6: Final answer
    x = 3,630.42

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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.