Home / 5,521.84-7,617.72-3,425.56

Finding the Fourth Proportional to 5,521.84, 7,617.72 and 3,425.56

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Solution

The fourth proportional to 5,521.84, 7,617.72 and 3,425.56 is: 4,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.84 : 7,617.72 = 3,425.56 : x
  2. Step 2: Convert to fraction form
    5,521.84/7,617.72 = 3,425.56/x
  3. Step 3: Cross multiply
    5,521.84x = 7,617.72 × 3,425.56
  4. Step 4: Simplify right side
    5,521.84x = 26,094,956.92
  5. Step 5: Solve for x
    x = 26,094,956.92/5,521.84
  6. Step 6: Final answer
    x = 4,725.77

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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.