Home / 5,019.50-7,529.68-1,556.76

Finding the Fourth Proportional to 5,019.50, 7,529.68 and 1,556.76

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Solution

The fourth proportional to 5,019.50, 7,529.68 and 1,556.76 is: 2,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.50 : 7,529.68 = 1,556.76 : x
  2. Step 2: Convert to fraction form
    5,019.50/7,529.68 = 1,556.76/x
  3. Step 3: Cross multiply
    5,019.50x = 7,529.68 × 1,556.76
  4. Step 4: Simplify right side
    5,019.50x = 11,721,904.64
  5. Step 5: Solve for x
    x = 11,721,904.64/5,019.50
  6. Step 6: Final answer
    x = 2,335.27

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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.