Home / 2,990.41-4,124.14-2,093.69

Finding the Fourth Proportional to 2,990.41, 4,124.14 and 2,093.69

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Solution

The fourth proportional to 2,990.41, 4,124.14 and 2,093.69 is: 2,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.41 : 4,124.14 = 2,093.69 : x
  2. Step 2: Convert to fraction form
    2,990.41/4,124.14 = 2,093.69/x
  3. Step 3: Cross multiply
    2,990.41x = 4,124.14 × 2,093.69
  4. Step 4: Simplify right side
    2,990.41x = 8,634,670.68
  5. Step 5: Solve for x
    x = 8,634,670.68/2,990.41
  6. Step 6: Final answer
    x = 2,887.45

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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.