Home / 5,378.97-7,427.87-4,050.37

Finding the Fourth Proportional to 5,378.97, 7,427.87 and 4,050.37

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Solution

The fourth proportional to 5,378.97, 7,427.87 and 4,050.37 is: 5,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.97 : 7,427.87 = 4,050.37 : x
  2. Step 2: Convert to fraction form
    5,378.97/7,427.87 = 4,050.37/x
  3. Step 3: Cross multiply
    5,378.97x = 7,427.87 × 4,050.37
  4. Step 4: Simplify right side
    5,378.97x = 30,085,621.81
  5. Step 5: Solve for x
    x = 30,085,621.81/5,378.97
  6. Step 6: Final answer
    x = 5,593.19

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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.