Home / 5,912.79-8,158.76-3,395.01

Finding the Fourth Proportional to 5,912.79, 8,158.76 and 3,395.01

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Solution

The fourth proportional to 5,912.79, 8,158.76 and 3,395.01 is: 4,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.79 : 8,158.76 = 3,395.01 : x
  2. Step 2: Convert to fraction form
    5,912.79/8,158.76 = 3,395.01/x
  3. Step 3: Cross multiply
    5,912.79x = 8,158.76 × 3,395.01
  4. Step 4: Simplify right side
    5,912.79x = 27,699,014.02
  5. Step 5: Solve for x
    x = 27,699,014.02/5,912.79
  6. Step 6: Final answer
    x = 4,684.60

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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.