Home / 3,526.12-4,866.03-1,954.21

Finding the Fourth Proportional to 3,526.12, 4,866.03 and 1,954.21

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Solution

The fourth proportional to 3,526.12, 4,866.03 and 1,954.21 is: 2,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.12 : 4,866.03 = 1,954.21 : x
  2. Step 2: Convert to fraction form
    3,526.12/4,866.03 = 1,954.21/x
  3. Step 3: Cross multiply
    3,526.12x = 4,866.03 × 1,954.21
  4. Step 4: Simplify right side
    3,526.12x = 9,509,244.49
  5. Step 5: Solve for x
    x = 9,509,244.49/3,526.12
  6. Step 6: Final answer
    x = 2,696.80

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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.