Home / 5,530.71-7,632.34-3,012.81

Finding the Fourth Proportional to 5,530.71, 7,632.34 and 3,012.81

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Solution

The fourth proportional to 5,530.71, 7,632.34 and 3,012.81 is: 4,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.71 : 7,632.34 = 3,012.81 : x
  2. Step 2: Convert to fraction form
    5,530.71/7,632.34 = 3,012.81/x
  3. Step 3: Cross multiply
    5,530.71x = 7,632.34 × 3,012.81
  4. Step 4: Simplify right side
    5,530.71x = 22,994,814.00
  5. Step 5: Solve for x
    x = 22,994,814.00/5,530.71
  6. Step 6: Final answer
    x = 4,157.66

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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.