Home / 1,525.23-2,286.90-1,036.80

Finding the Fourth Proportional to 1,525.23, 2,286.90 and 1,036.80

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Solution

The fourth proportional to 1,525.23, 2,286.90 and 1,036.80 is: 1,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.23 : 2,286.90 = 1,036.80 : x
  2. Step 2: Convert to fraction form
    1,525.23/2,286.90 = 1,036.80/x
  3. Step 3: Cross multiply
    1,525.23x = 2,286.90 × 1,036.80
  4. Step 4: Simplify right side
    1,525.23x = 2,371,057.92
  5. Step 5: Solve for x
    x = 2,371,057.92/1,525.23
  6. Step 6: Final answer
    x = 1,554.56

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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.