Home / 7,485.75-10,334.39-4,502.25

Finding the Fourth Proportional to 7,485.75, 10,334.39 and 4,502.25

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Solution

The fourth proportional to 7,485.75, 10,334.39 and 4,502.25 is: 6,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.75 : 10,334.39 = 4,502.25 : x
  2. Step 2: Convert to fraction form
    7,485.75/10,334.39 = 4,502.25/x
  3. Step 3: Cross multiply
    7,485.75x = 10,334.39 × 4,502.25
  4. Step 4: Simplify right side
    7,485.75x = 46,527,984.87
  5. Step 5: Solve for x
    x = 46,527,984.87/7,485.75
  6. Step 6: Final answer
    x = 6,215.54

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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.