Home / 4,815.14-6,642.24-3,486.54

Finding the Fourth Proportional to 4,815.14, 6,642.24 and 3,486.54

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Solution

The fourth proportional to 4,815.14, 6,642.24 and 3,486.54 is: 4,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.14 : 6,642.24 = 3,486.54 : x
  2. Step 2: Convert to fraction form
    4,815.14/6,642.24 = 3,486.54/x
  3. Step 3: Cross multiply
    4,815.14x = 6,642.24 × 3,486.54
  4. Step 4: Simplify right side
    4,815.14x = 23,158,435.45
  5. Step 5: Solve for x
    x = 23,158,435.45/4,815.14
  6. Step 6: Final answer
    x = 4,809.50

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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.