Home / 5,887.41-8,122.12-4,987.32

Finding the Fourth Proportional to 5,887.41, 8,122.12 and 4,987.32

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Solution

The fourth proportional to 5,887.41, 8,122.12 and 4,987.32 is: 6,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.41 : 8,122.12 = 4,987.32 : x
  2. Step 2: Convert to fraction form
    5,887.41/8,122.12 = 4,987.32/x
  3. Step 3: Cross multiply
    5,887.41x = 8,122.12 × 4,987.32
  4. Step 4: Simplify right side
    5,887.41x = 40,507,642.33
  5. Step 5: Solve for x
    x = 40,507,642.33/5,887.41
  6. Step 6: Final answer
    x = 6,880.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.