Home / 5,206.60-7,185.20-2,848.68

Finding the Fourth Proportional to 5,206.60, 7,185.20 and 2,848.68

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Solution

The fourth proportional to 5,206.60, 7,185.20 and 2,848.68 is: 3,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.60 : 7,185.20 = 2,848.68 : x
  2. Step 2: Convert to fraction form
    5,206.60/7,185.20 = 2,848.68/x
  3. Step 3: Cross multiply
    5,206.60x = 7,185.20 × 2,848.68
  4. Step 4: Simplify right side
    5,206.60x = 20,468,335.54
  5. Step 5: Solve for x
    x = 20,468,335.54/5,206.60
  6. Step 6: Final answer
    x = 3,931.23

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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.