Home / 6,830.51-9,426.80-4,179.68

Finding the Fourth Proportional to 6,830.51, 9,426.80 and 4,179.68

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Solution

The fourth proportional to 6,830.51, 9,426.80 and 4,179.68 is: 5,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.51 : 9,426.80 = 4,179.68 : x
  2. Step 2: Convert to fraction form
    6,830.51/9,426.80 = 4,179.68/x
  3. Step 3: Cross multiply
    6,830.51x = 9,426.80 × 4,179.68
  4. Step 4: Simplify right side
    6,830.51x = 39,400,970.74
  5. Step 5: Solve for x
    x = 39,400,970.74/6,830.51
  6. Step 6: Final answer
    x = 5,768.38

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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.