Home / 4,923.18-7,384.74-2,111.60

Finding the Fourth Proportional to 4,923.18, 7,384.74 and 2,111.60

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Solution

The fourth proportional to 4,923.18, 7,384.74 and 2,111.60 is: 3,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.18 : 7,384.74 = 2,111.60 : x
  2. Step 2: Convert to fraction form
    4,923.18/7,384.74 = 2,111.60/x
  3. Step 3: Cross multiply
    4,923.18x = 7,384.74 × 2,111.60
  4. Step 4: Simplify right side
    4,923.18x = 15,593,616.98
  5. Step 5: Solve for x
    x = 15,593,616.98/4,923.18
  6. Step 6: Final answer
    x = 3,167.39

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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.