Home / 4,868.14-6,717.67-2,878.32

Finding the Fourth Proportional to 4,868.14, 6,717.67 and 2,878.32

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Solution

The fourth proportional to 4,868.14, 6,717.67 and 2,878.32 is: 3,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.14 : 6,717.67 = 2,878.32 : x
  2. Step 2: Convert to fraction form
    4,868.14/6,717.67 = 2,878.32/x
  3. Step 3: Cross multiply
    4,868.14x = 6,717.67 × 2,878.32
  4. Step 4: Simplify right side
    4,868.14x = 19,335,603.91
  5. Step 5: Solve for x
    x = 19,335,603.91/4,868.14
  6. Step 6: Final answer
    x = 3,971.87

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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.