Home / 2,816.05-3,886.32-1,697.17

Finding the Fourth Proportional to 2,816.05, 3,886.32 and 1,697.17

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Solution

The fourth proportional to 2,816.05, 3,886.32 and 1,697.17 is: 2,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.05 : 3,886.32 = 1,697.17 : x
  2. Step 2: Convert to fraction form
    2,816.05/3,886.32 = 1,697.17/x
  3. Step 3: Cross multiply
    2,816.05x = 3,886.32 × 1,697.17
  4. Step 4: Simplify right side
    2,816.05x = 6,595,745.71
  5. Step 5: Solve for x
    x = 6,595,745.71/2,816.05
  6. Step 6: Final answer
    x = 2,342.20

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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.