Home / 5,208.51-7,811.93-1,923.15

Finding the Fourth Proportional to 5,208.51, 7,811.93 and 1,923.15

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Solution

The fourth proportional to 5,208.51, 7,811.93 and 1,923.15 is: 2,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.51 : 7,811.93 = 1,923.15 : x
  2. Step 2: Convert to fraction form
    5,208.51/7,811.93 = 1,923.15/x
  3. Step 3: Cross multiply
    5,208.51x = 7,811.93 × 1,923.15
  4. Step 4: Simplify right side
    5,208.51x = 15,023,503.56
  5. Step 5: Solve for x
    x = 15,023,503.56/5,208.51
  6. Step 6: Final answer
    x = 2,884.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.