Home / 5,426.09-8,129.85-2,962.64

Finding the Fourth Proportional to 5,426.09, 8,129.85 and 2,962.64

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Solution

The fourth proportional to 5,426.09, 8,129.85 and 2,962.64 is: 4,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.09 : 8,129.85 = 2,962.64 : x
  2. Step 2: Convert to fraction form
    5,426.09/8,129.85 = 2,962.64/x
  3. Step 3: Cross multiply
    5,426.09x = 8,129.85 × 2,962.64
  4. Step 4: Simplify right side
    5,426.09x = 24,085,803.99
  5. Step 5: Solve for x
    x = 24,085,803.99/5,426.09
  6. Step 6: Final answer
    x = 4,438.89

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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.