Home / 5,206.71-7,185.37-2,848.85

Finding the Fourth Proportional to 5,206.71, 7,185.37 and 2,848.85

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Solution

The fourth proportional to 5,206.71, 7,185.37 and 2,848.85 is: 3,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.71 : 7,185.37 = 2,848.85 : x
  2. Step 2: Convert to fraction form
    5,206.71/7,185.37 = 2,848.85/x
  3. Step 3: Cross multiply
    5,206.71x = 7,185.37 × 2,848.85
  4. Step 4: Simplify right side
    5,206.71x = 20,470,066.41
  5. Step 5: Solve for x
    x = 20,470,066.41/5,206.71
  6. Step 6: Final answer
    x = 3,931.48

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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.