Home / 5,051.38-6,969.84-2,926.78

Finding the Fourth Proportional to 5,051.38, 6,969.84 and 2,926.78

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Solution

The fourth proportional to 5,051.38, 6,969.84 and 2,926.78 is: 4,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.38 : 6,969.84 = 2,926.78 : x
  2. Step 2: Convert to fraction form
    5,051.38/6,969.84 = 2,926.78/x
  3. Step 3: Cross multiply
    5,051.38x = 6,969.84 × 2,926.78
  4. Step 4: Simplify right side
    5,051.38x = 20,399,188.32
  5. Step 5: Solve for x
    x = 20,399,188.32/5,051.38
  6. Step 6: Final answer
    x = 4,038.34

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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.