Home / 5,206.55-7,185.14-2,848.70

Finding the Fourth Proportional to 5,206.55, 7,185.14 and 2,848.70

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Solution

The fourth proportional to 5,206.55, 7,185.14 and 2,848.70 is: 3,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.55 : 7,185.14 = 2,848.70 : x
  2. Step 2: Convert to fraction form
    5,206.55/7,185.14 = 2,848.70/x
  3. Step 3: Cross multiply
    5,206.55x = 7,185.14 × 2,848.70
  4. Step 4: Simplify right side
    5,206.55x = 20,468,322.72
  5. Step 5: Solve for x
    x = 20,468,322.72/5,206.55
  6. Step 6: Final answer
    x = 3,931.27

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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.