Home / 5,485.23-7,572.83-3,497.49

Finding the Fourth Proportional to 5,485.23, 7,572.83 and 3,497.49

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Solution

The fourth proportional to 5,485.23, 7,572.83 and 3,497.49 is: 4,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.23 : 7,572.83 = 3,497.49 : x
  2. Step 2: Convert to fraction form
    5,485.23/7,572.83 = 3,497.49/x
  3. Step 3: Cross multiply
    5,485.23x = 7,572.83 × 3,497.49
  4. Step 4: Simplify right side
    5,485.23x = 26,485,879.71
  5. Step 5: Solve for x
    x = 26,485,879.71/5,485.23
  6. Step 6: Final answer
    x = 4,828.58

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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.