Home / 1,935.79-2,888.51-1,818.27

Finding the Fourth Proportional to 1,935.79, 2,888.51 and 1,818.27

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Solution

The fourth proportional to 1,935.79, 2,888.51 and 1,818.27 is: 2,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.79 : 2,888.51 = 1,818.27 : x
  2. Step 2: Convert to fraction form
    1,935.79/2,888.51 = 1,818.27/x
  3. Step 3: Cross multiply
    1,935.79x = 2,888.51 × 1,818.27
  4. Step 4: Simplify right side
    1,935.79x = 5,252,081.99
  5. Step 5: Solve for x
    x = 5,252,081.99/1,935.79
  6. Step 6: Final answer
    x = 2,713.15

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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.