Home / 5,206.71-7,185.08-2,969.31

Finding the Fourth Proportional to 5,206.71, 7,185.08 and 2,969.31

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Solution

The fourth proportional to 5,206.71, 7,185.08 and 2,969.31 is: 4,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.71 : 7,185.08 = 2,969.31 : x
  2. Step 2: Convert to fraction form
    5,206.71/7,185.08 = 2,969.31/x
  3. Step 3: Cross multiply
    5,206.71x = 7,185.08 × 2,969.31
  4. Step 4: Simplify right side
    5,206.71x = 21,334,704.81
  5. Step 5: Solve for x
    x = 21,334,704.81/5,206.71
  6. Step 6: Final answer
    x = 4,097.54

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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.