Home / 3,465.22-4,786.42-2,421.94

Finding the Fourth Proportional to 3,465.22, 4,786.42 and 2,421.94

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Solution

The fourth proportional to 3,465.22, 4,786.42 and 2,421.94 is: 3,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.22 : 4,786.42 = 2,421.94 : x
  2. Step 2: Convert to fraction form
    3,465.22/4,786.42 = 2,421.94/x
  3. Step 3: Cross multiply
    3,465.22x = 4,786.42 × 2,421.94
  4. Step 4: Simplify right side
    3,465.22x = 11,592,422.05
  5. Step 5: Solve for x
    x = 11,592,422.05/3,465.22
  6. Step 6: Final answer
    x = 3,345.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.