Home / 3,079.14-4,618.59-1,693.12

Finding the Fourth Proportional to 3,079.14, 4,618.59 and 1,693.12

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Solution

The fourth proportional to 3,079.14, 4,618.59 and 1,693.12 is: 2,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.14 : 4,618.59 = 1,693.12 : x
  2. Step 2: Convert to fraction form
    3,079.14/4,618.59 = 1,693.12/x
  3. Step 3: Cross multiply
    3,079.14x = 4,618.59 × 1,693.12
  4. Step 4: Simplify right side
    3,079.14x = 7,819,827.10
  5. Step 5: Solve for x
    x = 7,819,827.10/3,079.14
  6. Step 6: Final answer
    x = 2,539.61

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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.