Home / 5,440.81-7,509.34-3,202.58

Finding the Fourth Proportional to 5,440.81, 7,509.34 and 3,202.58

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Solution

The fourth proportional to 5,440.81, 7,509.34 and 3,202.58 is: 4,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.81 : 7,509.34 = 3,202.58 : x
  2. Step 2: Convert to fraction form
    5,440.81/7,509.34 = 3,202.58/x
  3. Step 3: Cross multiply
    5,440.81x = 7,509.34 × 3,202.58
  4. Step 4: Simplify right side
    5,440.81x = 24,049,262.10
  5. Step 5: Solve for x
    x = 24,049,262.10/5,440.81
  6. Step 6: Final answer
    x = 4,420.16

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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.