Home / 2,039.87-2,818.82-1,541.63

Finding the Fourth Proportional to 2,039.87, 2,818.82 and 1,541.63

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Solution

The fourth proportional to 2,039.87, 2,818.82 and 1,541.63 is: 2,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.87 : 2,818.82 = 1,541.63 : x
  2. Step 2: Convert to fraction form
    2,039.87/2,818.82 = 1,541.63/x
  3. Step 3: Cross multiply
    2,039.87x = 2,818.82 × 1,541.63
  4. Step 4: Simplify right side
    2,039.87x = 4,345,577.48
  5. Step 5: Solve for x
    x = 4,345,577.48/2,039.87
  6. Step 6: Final answer
    x = 2,130.32

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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.