Home / 7,455.24-10,288.62-4,225.14

Finding the Fourth Proportional to 7,455.24, 10,288.62 and 4,225.14

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Solution

The fourth proportional to 7,455.24, 10,288.62 and 4,225.14 is: 5,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.24 : 10,288.62 = 4,225.14 : x
  2. Step 2: Convert to fraction form
    7,455.24/10,288.62 = 4,225.14/x
  3. Step 3: Cross multiply
    7,455.24x = 10,288.62 × 4,225.14
  4. Step 4: Simplify right side
    7,455.24x = 43,470,859.91
  5. Step 5: Solve for x
    x = 43,470,859.91/7,455.24
  6. Step 6: Final answer
    x = 5,830.91

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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.