Home / 5,807.70-8,014.46-3,155.10

Finding the Fourth Proportional to 5,807.70, 8,014.46 and 3,155.10

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Solution

The fourth proportional to 5,807.70, 8,014.46 and 3,155.10 is: 4,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.70 : 8,014.46 = 3,155.10 : x
  2. Step 2: Convert to fraction form
    5,807.70/8,014.46 = 3,155.10/x
  3. Step 3: Cross multiply
    5,807.70x = 8,014.46 × 3,155.10
  4. Step 4: Simplify right side
    5,807.70x = 25,286,422.75
  5. Step 5: Solve for x
    x = 25,286,422.75/5,807.70
  6. Step 6: Final answer
    x = 4,353.95

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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.