Home / 3,868.13-5,333.03-3,159.23

Finding the Fourth Proportional to 3,868.13, 5,333.03 and 3,159.23

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Solution

The fourth proportional to 3,868.13, 5,333.03 and 3,159.23 is: 4,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.13 : 5,333.03 = 3,159.23 : x
  2. Step 2: Convert to fraction form
    3,868.13/5,333.03 = 3,159.23/x
  3. Step 3: Cross multiply
    3,868.13x = 5,333.03 × 3,159.23
  4. Step 4: Simplify right side
    3,868.13x = 16,848,225.91
  5. Step 5: Solve for x
    x = 16,848,225.91/3,868.13
  6. Step 6: Final answer
    x = 4,355.66

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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.