Home / 6,070.96-8,378.24-3,419.20

Finding the Fourth Proportional to 6,070.96, 8,378.24 and 3,419.20

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Solution

The fourth proportional to 6,070.96, 8,378.24 and 3,419.20 is: 4,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.96 : 8,378.24 = 3,419.20 : x
  2. Step 2: Convert to fraction form
    6,070.96/8,378.24 = 3,419.20/x
  3. Step 3: Cross multiply
    6,070.96x = 8,378.24 × 3,419.20
  4. Step 4: Simplify right side
    6,070.96x = 28,646,878.21
  5. Step 5: Solve for x
    x = 28,646,878.21/6,070.96
  6. Step 6: Final answer
    x = 4,718.67

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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.