Home / 1,935.66-2,888.26-1,818.12

Finding the Fourth Proportional to 1,935.66, 2,888.26 and 1,818.12

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Solution

The fourth proportional to 1,935.66, 2,888.26 and 1,818.12 is: 2,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.66 : 2,888.26 = 1,818.12 : x
  2. Step 2: Convert to fraction form
    1,935.66/2,888.26 = 1,818.12/x
  3. Step 3: Cross multiply
    1,935.66x = 2,888.26 × 1,818.12
  4. Step 4: Simplify right side
    1,935.66x = 5,251,203.27
  5. Step 5: Solve for x
    x = 5,251,203.27/1,935.66
  6. Step 6: Final answer
    x = 2,712.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.