Home / 5,114.13-7,057.38-3,345.70

Finding the Fourth Proportional to 5,114.13, 7,057.38 and 3,345.70

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Solution

The fourth proportional to 5,114.13, 7,057.38 and 3,345.70 is: 4,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.13 : 7,057.38 = 3,345.70 : x
  2. Step 2: Convert to fraction form
    5,114.13/7,057.38 = 3,345.70/x
  3. Step 3: Cross multiply
    5,114.13x = 7,057.38 × 3,345.70
  4. Step 4: Simplify right side
    5,114.13x = 23,611,846.08
  5. Step 5: Solve for x
    x = 23,611,846.08/5,114.13
  6. Step 6: Final answer
    x = 4,616.98

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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.