Home / 4,221.11-6,345.34-3,410.10

Finding the Fourth Proportional to 4,221.11, 6,345.34 and 3,410.10

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Solution

The fourth proportional to 4,221.11, 6,345.34 and 3,410.10 is: 5,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.11 : 6,345.34 = 3,410.10 : x
  2. Step 2: Convert to fraction form
    4,221.11/6,345.34 = 3,410.10/x
  3. Step 3: Cross multiply
    4,221.11x = 6,345.34 × 3,410.10
  4. Step 4: Simplify right side
    4,221.11x = 21,638,235.41
  5. Step 5: Solve for x
    x = 21,638,235.41/4,221.11
  6. Step 6: Final answer
    x = 5,126.19

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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.