Home / 5,957.09-8,221.64-3,438.70

Finding the Fourth Proportional to 5,957.09, 8,221.64 and 3,438.70

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Solution

The fourth proportional to 5,957.09, 8,221.64 and 3,438.70 is: 4,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,957.09 : 8,221.64 = 3,438.70 : x
  2. Step 2: Convert to fraction form
    5,957.09/8,221.64 = 3,438.70/x
  3. Step 3: Cross multiply
    5,957.09x = 8,221.64 × 3,438.70
  4. Step 4: Simplify right side
    5,957.09x = 28,271,695.17
  5. Step 5: Solve for x
    x = 28,271,695.17/5,957.09
  6. Step 6: Final answer
    x = 4,745.89

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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.