Home / 1,525.06-2,288.22-784.24

Finding the Fourth Proportional to 1,525.06, 2,288.22 and 784.24

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Solution

The fourth proportional to 1,525.06, 2,288.22 and 784.24 is: 1,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.06 : 2,288.22 = 784.24 : x
  2. Step 2: Convert to fraction form
    1,525.06/2,288.22 = 784.24/x
  3. Step 3: Cross multiply
    1,525.06x = 2,288.22 × 784.24
  4. Step 4: Simplify right side
    1,525.06x = 1,794,513.65
  5. Step 5: Solve for x
    x = 1,794,513.65/1,525.06
  6. Step 6: Final answer
    x = 1,176.68

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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.