Home / 5,840.74-8,756.38-3,987.19

Finding the Fourth Proportional to 5,840.74, 8,756.38 and 3,987.19

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Solution

The fourth proportional to 5,840.74, 8,756.38 and 3,987.19 is: 5,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.74 : 8,756.38 = 3,987.19 : x
  2. Step 2: Convert to fraction form
    5,840.74/8,756.38 = 3,987.19/x
  3. Step 3: Cross multiply
    5,840.74x = 8,756.38 × 3,987.19
  4. Step 4: Simplify right side
    5,840.74x = 34,913,350.77
  5. Step 5: Solve for x
    x = 34,913,350.77/5,840.74
  6. Step 6: Final answer
    x = 5,977.56

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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.