Home / 7,051.08-10,574.49-2,119.41

Finding the Fourth Proportional to 7,051.08, 10,574.49 and 2,119.41

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Solution

The fourth proportional to 7,051.08, 10,574.49 and 2,119.41 is: 3,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.08 : 10,574.49 = 2,119.41 : x
  2. Step 2: Convert to fraction form
    7,051.08/10,574.49 = 2,119.41/x
  3. Step 3: Cross multiply
    7,051.08x = 10,574.49 × 2,119.41
  4. Step 4: Simplify right side
    7,051.08x = 22,411,679.85
  5. Step 5: Solve for x
    x = 22,411,679.85/7,051.08
  6. Step 6: Final answer
    x = 3,178.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.