Home / 7,054.85-9,735.66-3,868.14

Finding the Fourth Proportional to 7,054.85, 9,735.66 and 3,868.14

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Solution

The fourth proportional to 7,054.85, 9,735.66 and 3,868.14 is: 5,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.85 : 9,735.66 = 3,868.14 : x
  2. Step 2: Convert to fraction form
    7,054.85/9,735.66 = 3,868.14/x
  3. Step 3: Cross multiply
    7,054.85x = 9,735.66 × 3,868.14
  4. Step 4: Simplify right side
    7,054.85x = 37,658,895.87
  5. Step 5: Solve for x
    x = 37,658,895.87/7,054.85
  6. Step 6: Final answer
    x = 5,338.02

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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.