Home / 3,587.32-5,383.72-1,396.22

Finding the Fourth Proportional to 3,587.32, 5,383.72 and 1,396.22

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Solution

The fourth proportional to 3,587.32, 5,383.72 and 1,396.22 is: 2,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.32 : 5,383.72 = 1,396.22 : x
  2. Step 2: Convert to fraction form
    3,587.32/5,383.72 = 1,396.22/x
  3. Step 3: Cross multiply
    3,587.32x = 5,383.72 × 1,396.22
  4. Step 4: Simplify right side
    3,587.32x = 7,516,854.79
  5. Step 5: Solve for x
    x = 7,516,854.79/3,587.32
  6. Step 6: Final answer
    x = 2,095.39

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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.