Home / 7,525.17-11,291.18-3,145.41

Finding the Fourth Proportional to 7,525.17, 11,291.18 and 3,145.41

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Solution

The fourth proportional to 7,525.17, 11,291.18 and 3,145.41 is: 4,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.17 : 11,291.18 = 3,145.41 : x
  2. Step 2: Convert to fraction form
    7,525.17/11,291.18 = 3,145.41/x
  3. Step 3: Cross multiply
    7,525.17x = 11,291.18 × 3,145.41
  4. Step 4: Simplify right side
    7,525.17x = 35,515,374.76
  5. Step 5: Solve for x
    x = 35,515,374.76/7,525.17
  6. Step 6: Final answer
    x = 4,719.54

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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.