Home / 5,365.13-7,403.90-3,007.31

Finding the Fourth Proportional to 5,365.13, 7,403.90 and 3,007.31

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Solution

The fourth proportional to 5,365.13, 7,403.90 and 3,007.31 is: 4,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.13 : 7,403.90 = 3,007.31 : x
  2. Step 2: Convert to fraction form
    5,365.13/7,403.90 = 3,007.31/x
  3. Step 3: Cross multiply
    5,365.13x = 7,403.90 × 3,007.31
  4. Step 4: Simplify right side
    5,365.13x = 22,265,770.45
  5. Step 5: Solve for x
    x = 22,265,770.45/5,365.13
  6. Step 6: Final answer
    x = 4,150.09

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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.