Home / 6,280.56-8,665.70-4,043.18

Finding the Fourth Proportional to 6,280.56, 8,665.70 and 4,043.18

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Solution

The fourth proportional to 6,280.56, 8,665.70 and 4,043.18 is: 5,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.56 : 8,665.70 = 4,043.18 : x
  2. Step 2: Convert to fraction form
    6,280.56/8,665.70 = 4,043.18/x
  3. Step 3: Cross multiply
    6,280.56x = 8,665.70 × 4,043.18
  4. Step 4: Simplify right side
    6,280.56x = 35,036,984.93
  5. Step 5: Solve for x
    x = 35,036,984.93/6,280.56
  6. Step 6: Final answer
    x = 5,578.64

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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.