Home / 5,328.82-7,353.07-3,090.39

Finding the Fourth Proportional to 5,328.82, 7,353.07 and 3,090.39

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Solution

The fourth proportional to 5,328.82, 7,353.07 and 3,090.39 is: 4,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.82 : 7,353.07 = 3,090.39 : x
  2. Step 2: Convert to fraction form
    5,328.82/7,353.07 = 3,090.39/x
  3. Step 3: Cross multiply
    5,328.82x = 7,353.07 × 3,090.39
  4. Step 4: Simplify right side
    5,328.82x = 22,723,854.00
  5. Step 5: Solve for x
    x = 22,723,854.00/5,328.82
  6. Step 6: Final answer
    x = 4,264.33

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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.