Home / 2,927.67-4,039.23-2,043.15

Finding the Fourth Proportional to 2,927.67, 4,039.23 and 2,043.15

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Solution

The fourth proportional to 2,927.67, 4,039.23 and 2,043.15 is: 2,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.67 : 4,039.23 = 2,043.15 : x
  2. Step 2: Convert to fraction form
    2,927.67/4,039.23 = 2,043.15/x
  3. Step 3: Cross multiply
    2,927.67x = 4,039.23 × 2,043.15
  4. Step 4: Simplify right side
    2,927.67x = 8,252,752.77
  5. Step 5: Solve for x
    x = 8,252,752.77/2,927.67
  6. Step 6: Final answer
    x = 2,818.88

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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.