Home / 4,048.92-5,587.70-2,280.72

Finding the Fourth Proportional to 4,048.92, 5,587.70 and 2,280.72

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Solution

The fourth proportional to 4,048.92, 5,587.70 and 2,280.72 is: 3,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.92 : 5,587.70 = 2,280.72 : x
  2. Step 2: Convert to fraction form
    4,048.92/5,587.70 = 2,280.72/x
  3. Step 3: Cross multiply
    4,048.92x = 5,587.70 × 2,280.72
  4. Step 4: Simplify right side
    4,048.92x = 12,743,979.14
  5. Step 5: Solve for x
    x = 12,743,979.14/4,048.92
  6. Step 6: Final answer
    x = 3,147.50

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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.