Home / 7,001.68-10,499.20-2,556.25

Finding the Fourth Proportional to 7,001.68, 10,499.20 and 2,556.25

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Solution

The fourth proportional to 7,001.68, 10,499.20 and 2,556.25 is: 3,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.68 : 10,499.20 = 2,556.25 : x
  2. Step 2: Convert to fraction form
    7,001.68/10,499.20 = 2,556.25/x
  3. Step 3: Cross multiply
    7,001.68x = 10,499.20 × 2,556.25
  4. Step 4: Simplify right side
    7,001.68x = 26,838,620.80
  5. Step 5: Solve for x
    x = 26,838,620.80/7,001.68
  6. Step 6: Final answer
    x = 3,833.17

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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.