Home / 4,200.24-5,795.96-2,431.28

Finding the Fourth Proportional to 4,200.24, 5,795.96 and 2,431.28

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Solution

The fourth proportional to 4,200.24, 5,795.96 and 2,431.28 is: 3,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.24 : 5,795.96 = 2,431.28 : x
  2. Step 2: Convert to fraction form
    4,200.24/5,795.96 = 2,431.28/x
  3. Step 3: Cross multiply
    4,200.24x = 5,795.96 × 2,431.28
  4. Step 4: Simplify right side
    4,200.24x = 14,091,601.63
  5. Step 5: Solve for x
    x = 14,091,601.63/4,200.24
  6. Step 6: Final answer
    x = 3,354.95

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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.