Home / 2,047.08-2,824.97-1,115.58

Finding the Fourth Proportional to 2,047.08, 2,824.97 and 1,115.58

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Solution

The fourth proportional to 2,047.08, 2,824.97 and 1,115.58 is: 1,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.08 : 2,824.97 = 1,115.58 : x
  2. Step 2: Convert to fraction form
    2,047.08/2,824.97 = 1,115.58/x
  3. Step 3: Cross multiply
    2,047.08x = 2,824.97 × 1,115.58
  4. Step 4: Simplify right side
    2,047.08x = 3,151,475.43
  5. Step 5: Solve for x
    x = 3,151,475.43/2,047.08
  6. Step 6: Final answer
    x = 1,539.50

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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.