Home / 5,221.13-7,206.77-3,358.13

Finding the Fourth Proportional to 5,221.13, 7,206.77 and 3,358.13

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Solution

The fourth proportional to 5,221.13, 7,206.77 and 3,358.13 is: 4,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.13 : 7,206.77 = 3,358.13 : x
  2. Step 2: Convert to fraction form
    5,221.13/7,206.77 = 3,358.13/x
  3. Step 3: Cross multiply
    5,221.13x = 7,206.77 × 3,358.13
  4. Step 4: Simplify right side
    5,221.13x = 24,201,242.90
  5. Step 5: Solve for x
    x = 24,201,242.90/5,221.13
  6. Step 6: Final answer
    x = 4,635.25

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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.