Home / 4,973.67-6,864.93-2,879.01

Finding the Fourth Proportional to 4,973.67, 6,864.93 and 2,879.01

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Solution

The fourth proportional to 4,973.67, 6,864.93 and 2,879.01 is: 3,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.67 : 6,864.93 = 2,879.01 : x
  2. Step 2: Convert to fraction form
    4,973.67/6,864.93 = 2,879.01/x
  3. Step 3: Cross multiply
    4,973.67x = 6,864.93 × 2,879.01
  4. Step 4: Simplify right side
    4,973.67x = 19,764,202.12
  5. Step 5: Solve for x
    x = 19,764,202.12/4,973.67
  6. Step 6: Final answer
    x = 3,973.77

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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.