Home / 7,004.09-9,665.64-3,860.27

Finding the Fourth Proportional to 7,004.09, 9,665.64 and 3,860.27

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Solution

The fourth proportional to 7,004.09, 9,665.64 and 3,860.27 is: 5,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.09 : 9,665.64 = 3,860.27 : x
  2. Step 2: Convert to fraction form
    7,004.09/9,665.64 = 3,860.27/x
  3. Step 3: Cross multiply
    7,004.09x = 9,665.64 × 3,860.27
  4. Step 4: Simplify right side
    7,004.09x = 37,312,004.29
  5. Step 5: Solve for x
    x = 37,312,004.29/7,004.09
  6. Step 6: Final answer
    x = 5,327.18

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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.