Home / 4,867.30-6,716.60-2,878.04

Finding the Fourth Proportional to 4,867.30, 6,716.60 and 2,878.04

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Solution

The fourth proportional to 4,867.30, 6,716.60 and 2,878.04 is: 3,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.30 : 6,716.60 = 2,878.04 : x
  2. Step 2: Convert to fraction form
    4,867.30/6,716.60 = 2,878.04/x
  3. Step 3: Cross multiply
    4,867.30x = 6,716.60 × 2,878.04
  4. Step 4: Simplify right side
    4,867.30x = 19,330,643.46
  5. Step 5: Solve for x
    x = 19,330,643.46/4,867.30
  6. Step 6: Final answer
    x = 3,971.53

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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.