Home / 3,588.49-5,386.38-3,220.75

Finding the Fourth Proportional to 3,588.49, 5,386.38 and 3,220.75

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Solution

The fourth proportional to 3,588.49, 5,386.38 and 3,220.75 is: 4,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.49 : 5,386.38 = 3,220.75 : x
  2. Step 2: Convert to fraction form
    3,588.49/5,386.38 = 3,220.75/x
  3. Step 3: Cross multiply
    3,588.49x = 5,386.38 × 3,220.75
  4. Step 4: Simplify right side
    3,588.49x = 17,348,183.39
  5. Step 5: Solve for x
    x = 17,348,183.39/3,588.49
  6. Step 6: Final answer
    x = 4,834.40

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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.