Home / 3,587.98-5,383.35-1,398.26

Finding the Fourth Proportional to 3,587.98, 5,383.35 and 1,398.26

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Solution

The fourth proportional to 3,587.98, 5,383.35 and 1,398.26 is: 2,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.98 : 5,383.35 = 1,398.26 : x
  2. Step 2: Convert to fraction form
    3,587.98/5,383.35 = 1,398.26/x
  3. Step 3: Cross multiply
    3,587.98x = 5,383.35 × 1,398.26
  4. Step 4: Simplify right side
    3,587.98x = 7,527,322.97
  5. Step 5: Solve for x
    x = 7,527,322.97/3,587.98
  6. Step 6: Final answer
    x = 2,097.93

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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.