Home / 7,188.95-10,784.85-2,258.69

Finding the Fourth Proportional to 7,188.95, 10,784.85 and 2,258.69

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Solution

The fourth proportional to 7,188.95, 10,784.85 and 2,258.69 is: 3,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.95 : 10,784.85 = 2,258.69 : x
  2. Step 2: Convert to fraction form
    7,188.95/10,784.85 = 2,258.69/x
  3. Step 3: Cross multiply
    7,188.95x = 10,784.85 × 2,258.69
  4. Step 4: Simplify right side
    7,188.95x = 24,359,570.45
  5. Step 5: Solve for x
    x = 24,359,570.45/7,188.95
  6. Step 6: Final answer
    x = 3,388.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.