Home / 2,059.25-2,841.74-1,115.01

Finding the Fourth Proportional to 2,059.25, 2,841.74 and 1,115.01

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Solution

The fourth proportional to 2,059.25, 2,841.74 and 1,115.01 is: 1,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.25 : 2,841.74 = 1,115.01 : x
  2. Step 2: Convert to fraction form
    2,059.25/2,841.74 = 1,115.01/x
  3. Step 3: Cross multiply
    2,059.25x = 2,841.74 × 1,115.01
  4. Step 4: Simplify right side
    2,059.25x = 3,168,568.52
  5. Step 5: Solve for x
    x = 3,168,568.52/2,059.25
  6. Step 6: Final answer
    x = 1,538.70

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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.