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Finding the Fourth Proportional to 4,288.56, 5,918.16 and 2,425.56

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Solution

The fourth proportional to 4,288.56, 5,918.16 and 2,425.56 is: 3,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.56 : 5,918.16 = 2,425.56 : x
  2. Step 2: Convert to fraction form
    4,288.56/5,918.16 = 2,425.56/x
  3. Step 3: Cross multiply
    4,288.56x = 5,918.16 × 2,425.56
  4. Step 4: Simplify right side
    4,288.56x = 14,354,852.17
  5. Step 5: Solve for x
    x = 14,354,852.17/4,288.56
  6. Step 6: Final answer
    x = 3,347.24

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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.