Home / 2,059.14-2,839.35-1,312.26

Finding the Fourth Proportional to 2,059.14, 2,839.35 and 1,312.26

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Solution

The fourth proportional to 2,059.14, 2,839.35 and 1,312.26 is: 1,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.14 : 2,839.35 = 1,312.26 : x
  2. Step 2: Convert to fraction form
    2,059.14/2,839.35 = 1,312.26/x
  3. Step 3: Cross multiply
    2,059.14x = 2,839.35 × 1,312.26
  4. Step 4: Simplify right side
    2,059.14x = 3,725,965.43
  5. Step 5: Solve for x
    x = 3,725,965.43/2,059.14
  6. Step 6: Final answer
    x = 1,809.48

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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.