Home / 2,069.08-3,118.57-1,943.32

Finding the Fourth Proportional to 2,069.08, 3,118.57 and 1,943.32

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Solution

The fourth proportional to 2,069.08, 3,118.57 and 1,943.32 is: 2,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.08 : 3,118.57 = 1,943.32 : x
  2. Step 2: Convert to fraction form
    2,069.08/3,118.57 = 1,943.32/x
  3. Step 3: Cross multiply
    2,069.08x = 3,118.57 × 1,943.32
  4. Step 4: Simplify right side
    2,069.08x = 6,060,379.45
  5. Step 5: Solve for x
    x = 6,060,379.45/2,069.08
  6. Step 6: Final answer
    x = 2,929.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.