Home / 5,331.39-7,357.32-2,973.68

Finding the Fourth Proportional to 5,331.39, 7,357.32 and 2,973.68

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Solution

The fourth proportional to 5,331.39, 7,357.32 and 2,973.68 is: 4,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.39 : 7,357.32 = 2,973.68 : x
  2. Step 2: Convert to fraction form
    5,331.39/7,357.32 = 2,973.68/x
  3. Step 3: Cross multiply
    5,331.39x = 7,357.32 × 2,973.68
  4. Step 4: Simplify right side
    5,331.39x = 21,878,278.55
  5. Step 5: Solve for x
    x = 21,878,278.55/5,331.39
  6. Step 6: Final answer
    x = 4,103.67

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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.