Home / 5,037.88-7,556.80-1,340.10

Finding the Fourth Proportional to 5,037.88, 7,556.80 and 1,340.10

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Solution

The fourth proportional to 5,037.88, 7,556.80 and 1,340.10 is: 2,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.88 : 7,556.80 = 1,340.10 : x
  2. Step 2: Convert to fraction form
    5,037.88/7,556.80 = 1,340.10/x
  3. Step 3: Cross multiply
    5,037.88x = 7,556.80 × 1,340.10
  4. Step 4: Simplify right side
    5,037.88x = 10,126,867.68
  5. Step 5: Solve for x
    x = 10,126,867.68/5,037.88
  6. Step 6: Final answer
    x = 2,010.15

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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.