Home / 5,301.67-7,316.39-2,879.03

Finding the Fourth Proportional to 5,301.67, 7,316.39 and 2,879.03

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Solution

The fourth proportional to 5,301.67, 7,316.39 and 2,879.03 is: 3,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.67 : 7,316.39 = 2,879.03 : x
  2. Step 2: Convert to fraction form
    5,301.67/7,316.39 = 2,879.03/x
  3. Step 3: Cross multiply
    5,301.67x = 7,316.39 × 2,879.03
  4. Step 4: Simplify right side
    5,301.67x = 21,064,124.35
  5. Step 5: Solve for x
    x = 21,064,124.35/5,301.67
  6. Step 6: Final answer
    x = 3,973.11

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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.