Home / 5,353.10-7,386.17-3,673.89

Finding the Fourth Proportional to 5,353.10, 7,386.17 and 3,673.89

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Solution

The fourth proportional to 5,353.10, 7,386.17 and 3,673.89 is: 5,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.10 : 7,386.17 = 3,673.89 : x
  2. Step 2: Convert to fraction form
    5,353.10/7,386.17 = 3,673.89/x
  3. Step 3: Cross multiply
    5,353.10x = 7,386.17 × 3,673.89
  4. Step 4: Simplify right side
    5,353.10x = 27,135,976.10
  5. Step 5: Solve for x
    x = 27,135,976.10/5,353.10
  6. Step 6: Final answer
    x = 5,069.21

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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.