Home / 3,532.80-5,268.48-3,494.40

Finding the Fourth Proportional to 3,532.80, 5,268.48 and 3,494.40

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Solution

The fourth proportional to 3,532.80, 5,268.48 and 3,494.40 is: 5,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.80 : 5,268.48 = 3,494.40 : x
  2. Step 2: Convert to fraction form
    3,532.80/5,268.48 = 3,494.40/x
  3. Step 3: Cross multiply
    3,532.80x = 5,268.48 × 3,494.40
  4. Step 4: Simplify right side
    3,532.80x = 18,410,176.51
  5. Step 5: Solve for x
    x = 18,410,176.51/3,532.80
  6. Step 6: Final answer
    x = 5,211.21

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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.