Home / 3,420.19-5,123.58-3,048.27

Finding the Fourth Proportional to 3,420.19, 5,123.58 and 3,048.27

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Solution

The fourth proportional to 3,420.19, 5,123.58 and 3,048.27 is: 4,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.19 : 5,123.58 = 3,048.27 : x
  2. Step 2: Convert to fraction form
    3,420.19/5,123.58 = 3,048.27/x
  3. Step 3: Cross multiply
    3,420.19x = 5,123.58 × 3,048.27
  4. Step 4: Simplify right side
    3,420.19x = 15,618,055.21
  5. Step 5: Solve for x
    x = 15,618,055.21/3,420.19
  6. Step 6: Final answer
    x = 4,566.43

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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.