Home / 5,799.56-8,700.70-1,904.20

Finding the Fourth Proportional to 5,799.56, 8,700.70 and 1,904.20

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Solution

The fourth proportional to 5,799.56, 8,700.70 and 1,904.20 is: 2,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.56 : 8,700.70 = 1,904.20 : x
  2. Step 2: Convert to fraction form
    5,799.56/8,700.70 = 1,904.20/x
  3. Step 3: Cross multiply
    5,799.56x = 8,700.70 × 1,904.20
  4. Step 4: Simplify right side
    5,799.56x = 16,567,872.94
  5. Step 5: Solve for x
    x = 16,567,872.94/5,799.56
  6. Step 6: Final answer
    x = 2,856.75

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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.