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Finding the Fourth Proportional to 5,597.36, 7,724.82 and 3,240.32

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Solution

The fourth proportional to 5,597.36, 7,724.82 and 3,240.32 is: 4,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,597.36 : 7,724.82 = 3,240.32 : x
  2. Step 2: Convert to fraction form
    5,597.36/7,724.82 = 3,240.32/x
  3. Step 3: Cross multiply
    5,597.36x = 7,724.82 × 3,240.32
  4. Step 4: Simplify right side
    5,597.36x = 25,030,888.74
  5. Step 5: Solve for x
    x = 25,030,888.74/5,597.36
  6. Step 6: Final answer
    x = 4,471.91

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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.