Home / 2,678.14-3,695.74-1,483.05

Finding the Fourth Proportional to 2,678.14, 3,695.74 and 1,483.05

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Solution

The fourth proportional to 2,678.14, 3,695.74 and 1,483.05 is: 2,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.14 : 3,695.74 = 1,483.05 : x
  2. Step 2: Convert to fraction form
    2,678.14/3,695.74 = 1,483.05/x
  3. Step 3: Cross multiply
    2,678.14x = 3,695.74 × 1,483.05
  4. Step 4: Simplify right side
    2,678.14x = 5,480,967.21
  5. Step 5: Solve for x
    x = 5,480,967.21/2,678.14
  6. Step 6: Final answer
    x = 2,046.56

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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.