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Finding the Fourth Proportional to 4,235.65, 5,845.20 and 2,347.24

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Solution

The fourth proportional to 4,235.65, 5,845.20 and 2,347.24 is: 3,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.65 : 5,845.20 = 2,347.24 : x
  2. Step 2: Convert to fraction form
    4,235.65/5,845.20 = 2,347.24/x
  3. Step 3: Cross multiply
    4,235.65x = 5,845.20 × 2,347.24
  4. Step 4: Simplify right side
    4,235.65x = 13,720,087.25
  5. Step 5: Solve for x
    x = 13,720,087.25/4,235.65
  6. Step 6: Final answer
    x = 3,239.19

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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.