Home / 2,933.18-4,048.25-1,927.80

Finding the Fourth Proportional to 2,933.18, 4,048.25 and 1,927.80

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Solution

The fourth proportional to 2,933.18, 4,048.25 and 1,927.80 is: 2,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.18 : 4,048.25 = 1,927.80 : x
  2. Step 2: Convert to fraction form
    2,933.18/4,048.25 = 1,927.80/x
  3. Step 3: Cross multiply
    2,933.18x = 4,048.25 × 1,927.80
  4. Step 4: Simplify right side
    2,933.18x = 7,804,217.55
  5. Step 5: Solve for x
    x = 7,804,217.55/2,933.18
  6. Step 6: Final answer
    x = 2,660.67

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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.