Home / 5,013.36-7,521.60-2,415.84

Finding the Fourth Proportional to 5,013.36, 7,521.60 and 2,415.84

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Solution

The fourth proportional to 5,013.36, 7,521.60 and 2,415.84 is: 3,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.36 : 7,521.60 = 2,415.84 : x
  2. Step 2: Convert to fraction form
    5,013.36/7,521.60 = 2,415.84/x
  3. Step 3: Cross multiply
    5,013.36x = 7,521.60 × 2,415.84
  4. Step 4: Simplify right side
    5,013.36x = 18,170,982.14
  5. Step 5: Solve for x
    x = 18,170,982.14/5,013.36
  6. Step 6: Final answer
    x = 3,624.51

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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.