Home / 4,239.95-5,847.12-3,357.86

Finding the Fourth Proportional to 4,239.95, 5,847.12 and 3,357.86

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Solution

The fourth proportional to 4,239.95, 5,847.12 and 3,357.86 is: 4,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.95 : 5,847.12 = 3,357.86 : x
  2. Step 2: Convert to fraction form
    4,239.95/5,847.12 = 3,357.86/x
  3. Step 3: Cross multiply
    4,239.95x = 5,847.12 × 3,357.86
  4. Step 4: Simplify right side
    4,239.95x = 19,633,781.13
  5. Step 5: Solve for x
    x = 19,633,781.13/4,239.95
  6. Step 6: Final answer
    x = 4,630.67

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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.