Home / 5,206.28-7,184.67-2,848.40

Finding the Fourth Proportional to 5,206.28, 7,184.67 and 2,848.40

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Solution

The fourth proportional to 5,206.28, 7,184.67 and 2,848.40 is: 3,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.28 : 7,184.67 = 2,848.40 : x
  2. Step 2: Convert to fraction form
    5,206.28/7,184.67 = 2,848.40/x
  3. Step 3: Cross multiply
    5,206.28x = 7,184.67 × 2,848.40
  4. Step 4: Simplify right side
    5,206.28x = 20,464,794.37
  5. Step 5: Solve for x
    x = 20,464,794.37/5,206.28
  6. Step 6: Final answer
    x = 3,930.79

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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.