Home / 2,048.08-2,826.36-1,116.58

Finding the Fourth Proportional to 2,048.08, 2,826.36 and 1,116.58

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Solution

The fourth proportional to 2,048.08, 2,826.36 and 1,116.58 is: 1,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.08 : 2,826.36 = 1,116.58 : x
  2. Step 2: Convert to fraction form
    2,048.08/2,826.36 = 1,116.58/x
  3. Step 3: Cross multiply
    2,048.08x = 2,826.36 × 1,116.58
  4. Step 4: Simplify right side
    2,048.08x = 3,155,857.05
  5. Step 5: Solve for x
    x = 3,155,857.05/2,048.08
  6. Step 6: Final answer
    x = 1,540.89

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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.