Home / 4,556.21-6,831.56-3,090.92

Finding the Fourth Proportional to 4,556.21, 6,831.56 and 3,090.92

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Solution

The fourth proportional to 4,556.21, 6,831.56 and 3,090.92 is: 4,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,556.21 : 6,831.56 = 3,090.92 : x
  2. Step 2: Convert to fraction form
    4,556.21/6,831.56 = 3,090.92/x
  3. Step 3: Cross multiply
    4,556.21x = 6,831.56 × 3,090.92
  4. Step 4: Simplify right side
    4,556.21x = 21,115,779.00
  5. Step 5: Solve for x
    x = 21,115,779.00/4,556.21
  6. Step 6: Final answer
    x = 4,634.51

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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.