Home / 3,975.48-5,485.73-2,403.27

Finding the Fourth Proportional to 3,975.48, 5,485.73 and 2,403.27

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Solution

The fourth proportional to 3,975.48, 5,485.73 and 2,403.27 is: 3,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.48 : 5,485.73 = 2,403.27 : x
  2. Step 2: Convert to fraction form
    3,975.48/5,485.73 = 2,403.27/x
  3. Step 3: Cross multiply
    3,975.48x = 5,485.73 × 2,403.27
  4. Step 4: Simplify right side
    3,975.48x = 13,183,678.32
  5. Step 5: Solve for x
    x = 13,183,678.32/3,975.48
  6. Step 6: Final answer
    x = 3,316.25

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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.