Home / 2,299.24-3,448.86-2,117.80

Finding the Fourth Proportional to 2,299.24, 3,448.86 and 2,117.80

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Solution

The fourth proportional to 2,299.24, 3,448.86 and 2,117.80 is: 3,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.24 : 3,448.86 = 2,117.80 : x
  2. Step 2: Convert to fraction form
    2,299.24/3,448.86 = 2,117.80/x
  3. Step 3: Cross multiply
    2,299.24x = 3,448.86 × 2,117.80
  4. Step 4: Simplify right side
    2,299.24x = 7,303,995.71
  5. Step 5: Solve for x
    x = 7,303,995.71/2,299.24
  6. Step 6: Final answer
    x = 3,176.70

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1.5x scale

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.