Home / 5,905.23-8,856.63-2,205.42

Finding the Fourth Proportional to 5,905.23, 8,856.63 and 2,205.42

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Solution

The fourth proportional to 5,905.23, 8,856.63 and 2,205.42 is: 3,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.23 : 8,856.63 = 2,205.42 : x
  2. Step 2: Convert to fraction form
    5,905.23/8,856.63 = 2,205.42/x
  3. Step 3: Cross multiply
    5,905.23x = 8,856.63 × 2,205.42
  4. Step 4: Simplify right side
    5,905.23x = 19,532,588.93
  5. Step 5: Solve for x
    x = 19,532,588.93/5,905.23
  6. Step 6: Final answer
    x = 3,307.68

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1.5x scale

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.