Home / 5,986.10-8,975.54-2,478.40

Finding the Fourth Proportional to 5,986.10, 8,975.54 and 2,478.40

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Solution

The fourth proportional to 5,986.10, 8,975.54 and 2,478.40 is: 3,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.10 : 8,975.54 = 2,478.40 : x
  2. Step 2: Convert to fraction form
    5,986.10/8,975.54 = 2,478.40/x
  3. Step 3: Cross multiply
    5,986.10x = 8,975.54 × 2,478.40
  4. Step 4: Simplify right side
    5,986.10x = 22,244,962.09
  5. Step 5: Solve for x
    x = 22,244,962.09/5,986.10
  6. Step 6: Final answer
    x = 3,716.10

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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.