Home / 4,030.96-5,994.38-3,987.76

Finding the Fourth Proportional to 4,030.96, 5,994.38 and 3,987.76

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Solution

The fourth proportional to 4,030.96, 5,994.38 and 3,987.76 is: 5,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.96 : 5,994.38 = 3,987.76 : x
  2. Step 2: Convert to fraction form
    4,030.96/5,994.38 = 3,987.76/x
  3. Step 3: Cross multiply
    4,030.96x = 5,994.38 × 3,987.76
  4. Step 4: Simplify right side
    4,030.96x = 23,904,148.79
  5. Step 5: Solve for x
    x = 23,904,148.79/4,030.96
  6. Step 6: Final answer
    x = 5,930.14

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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.