Home / 5,597.79-8,378.46-3,396.21

Finding the Fourth Proportional to 5,597.79, 8,378.46 and 3,396.21

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Solution

The fourth proportional to 5,597.79, 8,378.46 and 3,396.21 is: 5,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,597.79 : 8,378.46 = 3,396.21 : x
  2. Step 2: Convert to fraction form
    5,597.79/8,378.46 = 3,396.21/x
  3. Step 3: Cross multiply
    5,597.79x = 8,378.46 × 3,396.21
  4. Step 4: Simplify right side
    5,597.79x = 28,455,009.64
  5. Step 5: Solve for x
    x = 28,455,009.64/5,597.79
  6. Step 6: Final answer
    x = 5,083.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.