Home / 4,121.04-6,144.72-4,069.92

Finding the Fourth Proportional to 4,121.04, 6,144.72 and 4,069.92

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Solution

The fourth proportional to 4,121.04, 6,144.72 and 4,069.92 is: 6,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.04 : 6,144.72 = 4,069.92 : x
  2. Step 2: Convert to fraction form
    4,121.04/6,144.72 = 4,069.92/x
  3. Step 3: Cross multiply
    4,121.04x = 6,144.72 × 4,069.92
  4. Step 4: Simplify right side
    4,121.04x = 25,008,518.82
  5. Step 5: Solve for x
    x = 25,008,518.82/4,121.04
  6. Step 6: Final answer
    x = 6,068.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.