Home / 4,868.12-6,718.09-2,879.02

Finding the Fourth Proportional to 4,868.12, 6,718.09 and 2,879.02

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Solution

The fourth proportional to 4,868.12, 6,718.09 and 2,879.02 is: 3,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.12 : 6,718.09 = 2,879.02 : x
  2. Step 2: Convert to fraction form
    4,868.12/6,718.09 = 2,879.02/x
  3. Step 3: Cross multiply
    4,868.12x = 6,718.09 × 2,879.02
  4. Step 4: Simplify right side
    4,868.12x = 19,341,515.47
  5. Step 5: Solve for x
    x = 19,341,515.47/4,868.12
  6. Step 6: Final answer
    x = 3,973.10

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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.