Home / 5,345.09-7,381.13-4,016.49

Finding the Fourth Proportional to 5,345.09, 7,381.13 and 4,016.49

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Solution

The fourth proportional to 5,345.09, 7,381.13 and 4,016.49 is: 5,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.09 : 7,381.13 = 4,016.49 : x
  2. Step 2: Convert to fraction form
    5,345.09/7,381.13 = 4,016.49/x
  3. Step 3: Cross multiply
    5,345.09x = 7,381.13 × 4,016.49
  4. Step 4: Simplify right side
    5,345.09x = 29,646,187.07
  5. Step 5: Solve for x
    x = 29,646,187.07/5,345.09
  6. Step 6: Final answer
    x = 5,546.43

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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.