Home / 5,013.12-6,917.56-2,774.64

Finding the Fourth Proportional to 5,013.12, 6,917.56 and 2,774.64

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Solution

The fourth proportional to 5,013.12, 6,917.56 and 2,774.64 is: 3,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.12 : 6,917.56 = 2,774.64 : x
  2. Step 2: Convert to fraction form
    5,013.12/6,917.56 = 2,774.64/x
  3. Step 3: Cross multiply
    5,013.12x = 6,917.56 × 2,774.64
  4. Step 4: Simplify right side
    5,013.12x = 19,193,738.68
  5. Step 5: Solve for x
    x = 19,193,738.68/5,013.12
  6. Step 6: Final answer
    x = 3,828.70

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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.