Home / 5,447.28-7,506.71-3,675.81

Finding the Fourth Proportional to 5,447.28, 7,506.71 and 3,675.81

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Solution

The fourth proportional to 5,447.28, 7,506.71 and 3,675.81 is: 5,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.28 : 7,506.71 = 3,675.81 : x
  2. Step 2: Convert to fraction form
    5,447.28/7,506.71 = 3,675.81/x
  3. Step 3: Cross multiply
    5,447.28x = 7,506.71 × 3,675.81
  4. Step 4: Simplify right side
    5,447.28x = 27,593,221.31
  5. Step 5: Solve for x
    x = 27,593,221.31/5,447.28
  6. Step 6: Final answer
    x = 5,065.50

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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.