Home / 2,637.73-3,639.78-1,706.23

Finding the Fourth Proportional to 2,637.73, 3,639.78 and 1,706.23

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Solution

The fourth proportional to 2,637.73, 3,639.78 and 1,706.23 is: 2,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.73 : 3,639.78 = 1,706.23 : x
  2. Step 2: Convert to fraction form
    2,637.73/3,639.78 = 1,706.23/x
  3. Step 3: Cross multiply
    2,637.73x = 3,639.78 × 1,706.23
  4. Step 4: Simplify right side
    2,637.73x = 6,210,301.83
  5. Step 5: Solve for x
    x = 6,210,301.83/2,637.73
  6. Step 6: Final answer
    x = 2,354.41

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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.