Home / 2,927.99-4,038.77-2,043.47

Finding the Fourth Proportional to 2,927.99, 4,038.77 and 2,043.47

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Solution

The fourth proportional to 2,927.99, 4,038.77 and 2,043.47 is: 2,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.99 : 4,038.77 = 2,043.47 : x
  2. Step 2: Convert to fraction form
    2,927.99/4,038.77 = 2,043.47/x
  3. Step 3: Cross multiply
    2,927.99x = 4,038.77 × 2,043.47
  4. Step 4: Simplify right side
    2,927.99x = 8,253,074.92
  5. Step 5: Solve for x
    x = 8,253,074.92/2,927.99
  6. Step 6: Final answer
    x = 2,818.69

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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.