Home / 5,861.79-8,785.40-2,576.43

Finding the Fourth Proportional to 5,861.79, 8,785.40 and 2,576.43

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Solution

The fourth proportional to 5,861.79, 8,785.40 and 2,576.43 is: 3,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.79 : 8,785.40 = 2,576.43 : x
  2. Step 2: Convert to fraction form
    5,861.79/8,785.40 = 2,576.43/x
  3. Step 3: Cross multiply
    5,861.79x = 8,785.40 × 2,576.43
  4. Step 4: Simplify right side
    5,861.79x = 22,634,955.24
  5. Step 5: Solve for x
    x = 22,634,955.24/5,861.79
  6. Step 6: Final answer
    x = 3,861.44

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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.