Home / 7,045.99-9,723.44-3,902.18

Finding the Fourth Proportional to 7,045.99, 9,723.44 and 3,902.18

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Solution

The fourth proportional to 7,045.99, 9,723.44 and 3,902.18 is: 5,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.99 : 9,723.44 = 3,902.18 : x
  2. Step 2: Convert to fraction form
    7,045.99/9,723.44 = 3,902.18/x
  3. Step 3: Cross multiply
    7,045.99x = 9,723.44 × 3,902.18
  4. Step 4: Simplify right side
    7,045.99x = 37,942,574.24
  5. Step 5: Solve for x
    x = 37,942,574.24/7,045.99
  6. Step 6: Final answer
    x = 5,384.99

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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.