Home / 5,453.16-7,525.92-3,215.76

Finding the Fourth Proportional to 5,453.16, 7,525.92 and 3,215.76

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Solution

The fourth proportional to 5,453.16, 7,525.92 and 3,215.76 is: 4,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.16 : 7,525.92 = 3,215.76 : x
  2. Step 2: Convert to fraction form
    5,453.16/7,525.92 = 3,215.76/x
  3. Step 3: Cross multiply
    5,453.16x = 7,525.92 × 3,215.76
  4. Step 4: Simplify right side
    5,453.16x = 24,201,552.50
  5. Step 5: Solve for x
    x = 24,201,552.50/5,453.16
  6. Step 6: Final answer
    x = 4,438.08

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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.