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Finding the Fourth Proportional to 5,215.98, 7,195.63 and 4,619.08

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Solution

The fourth proportional to 5,215.98, 7,195.63 and 4,619.08 is: 6,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.98 : 7,195.63 = 4,619.08 : x
  2. Step 2: Convert to fraction form
    5,215.98/7,195.63 = 4,619.08/x
  3. Step 3: Cross multiply
    5,215.98x = 7,195.63 × 4,619.08
  4. Step 4: Simplify right side
    5,215.98x = 33,237,154.64
  5. Step 5: Solve for x
    x = 33,237,154.64/5,215.98
  6. Step 6: Final answer
    x = 6,372.18

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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.