Home / 5,453.49-7,525.57-3,215.46

Finding the Fourth Proportional to 5,453.49, 7,525.57 and 3,215.46

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Solution

The fourth proportional to 5,453.49, 7,525.57 and 3,215.46 is: 4,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.49 : 7,525.57 = 3,215.46 : x
  2. Step 2: Convert to fraction form
    5,453.49/7,525.57 = 3,215.46/x
  3. Step 3: Cross multiply
    5,453.49x = 7,525.57 × 3,215.46
  4. Step 4: Simplify right side
    5,453.49x = 24,198,169.31
  5. Step 5: Solve for x
    x = 24,198,169.31/5,453.49
  6. Step 6: Final answer
    x = 4,437.19

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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.