Home / 5,885.79-8,122.40-3,197.01

Finding the Fourth Proportional to 5,885.79, 8,122.40 and 3,197.01

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Solution

The fourth proportional to 5,885.79, 8,122.40 and 3,197.01 is: 4,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.79 : 8,122.40 = 3,197.01 : x
  2. Step 2: Convert to fraction form
    5,885.79/8,122.40 = 3,197.01/x
  3. Step 3: Cross multiply
    5,885.79x = 8,122.40 × 3,197.01
  4. Step 4: Simplify right side
    5,885.79x = 25,967,394.02
  5. Step 5: Solve for x
    x = 25,967,394.02/5,885.79
  6. Step 6: Final answer
    x = 4,411.88

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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.