Home / 5,515.32-8,268.33-2,392.98

Finding the Fourth Proportional to 5,515.32, 8,268.33 and 2,392.98

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Solution

The fourth proportional to 5,515.32, 8,268.33 and 2,392.98 is: 3,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.32 : 8,268.33 = 2,392.98 : x
  2. Step 2: Convert to fraction form
    5,515.32/8,268.33 = 2,392.98/x
  3. Step 3: Cross multiply
    5,515.32x = 8,268.33 × 2,392.98
  4. Step 4: Simplify right side
    5,515.32x = 19,785,948.32
  5. Step 5: Solve for x
    x = 19,785,948.32/5,515.32
  6. Step 6: Final answer
    x = 3,587.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.