Home / 5,758.31-8,639.51-2,838.67

Finding the Fourth Proportional to 5,758.31, 8,639.51 and 2,838.67

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Solution

The fourth proportional to 5,758.31, 8,639.51 and 2,838.67 is: 4,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.31 : 8,639.51 = 2,838.67 : x
  2. Step 2: Convert to fraction form
    5,758.31/8,639.51 = 2,838.67/x
  3. Step 3: Cross multiply
    5,758.31x = 8,639.51 × 2,838.67
  4. Step 4: Simplify right side
    5,758.31x = 24,524,682.06
  5. Step 5: Solve for x
    x = 24,524,682.06/5,758.31
  6. Step 6: Final answer
    x = 4,259.01

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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.