Home / 5,509.58-7,606.40-4,180.96

Finding the Fourth Proportional to 5,509.58, 7,606.40 and 4,180.96

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Solution

The fourth proportional to 5,509.58, 7,606.40 and 4,180.96 is: 5,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.58 : 7,606.40 = 4,180.96 : x
  2. Step 2: Convert to fraction form
    5,509.58/7,606.40 = 4,180.96/x
  3. Step 3: Cross multiply
    5,509.58x = 7,606.40 × 4,180.96
  4. Step 4: Simplify right side
    5,509.58x = 31,802,054.14
  5. Step 5: Solve for x
    x = 31,802,054.14/5,509.58
  6. Step 6: Final answer
    x = 5,772.14

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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.