Home / 3,457.05-5,178.02-3,380.96

Finding the Fourth Proportional to 3,457.05, 5,178.02 and 3,380.96

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Solution

The fourth proportional to 3,457.05, 5,178.02 and 3,380.96 is: 5,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.05 : 5,178.02 = 3,380.96 : x
  2. Step 2: Convert to fraction form
    3,457.05/5,178.02 = 3,380.96/x
  3. Step 3: Cross multiply
    3,457.05x = 5,178.02 × 3,380.96
  4. Step 4: Simplify right side
    3,457.05x = 17,506,635.70
  5. Step 5: Solve for x
    x = 17,506,635.70/3,457.05
  6. Step 6: Final answer
    x = 5,064.04

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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.