Home / 4,271.46-6,400.71-3,170.67

Finding the Fourth Proportional to 4,271.46, 6,400.71 and 3,170.67

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Solution

The fourth proportional to 4,271.46, 6,400.71 and 3,170.67 is: 4,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.46 : 6,400.71 = 3,170.67 : x
  2. Step 2: Convert to fraction form
    4,271.46/6,400.71 = 3,170.67/x
  3. Step 3: Cross multiply
    4,271.46x = 6,400.71 × 3,170.67
  4. Step 4: Simplify right side
    4,271.46x = 20,294,539.18
  5. Step 5: Solve for x
    x = 20,294,539.18/4,271.46
  6. Step 6: Final answer
    x = 4,751.19

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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.