Home / 5,069.15-6,995.54-3,180.81

Finding the Fourth Proportional to 5,069.15, 6,995.54 and 3,180.81

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Solution

The fourth proportional to 5,069.15, 6,995.54 and 3,180.81 is: 4,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.15 : 6,995.54 = 3,180.81 : x
  2. Step 2: Convert to fraction form
    5,069.15/6,995.54 = 3,180.81/x
  3. Step 3: Cross multiply
    5,069.15x = 6,995.54 × 3,180.81
  4. Step 4: Simplify right side
    5,069.15x = 22,251,483.59
  5. Step 5: Solve for x
    x = 22,251,483.59/5,069.15
  6. Step 6: Final answer
    x = 4,389.59

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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.