Home / 4,550.74-6,280.04-2,782.32

Finding the Fourth Proportional to 4,550.74, 6,280.04 and 2,782.32

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Solution

The fourth proportional to 4,550.74, 6,280.04 and 2,782.32 is: 3,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.74 : 6,280.04 = 2,782.32 : x
  2. Step 2: Convert to fraction form
    4,550.74/6,280.04 = 2,782.32/x
  3. Step 3: Cross multiply
    4,550.74x = 6,280.04 × 2,782.32
  4. Step 4: Simplify right side
    4,550.74x = 17,473,080.89
  5. Step 5: Solve for x
    x = 17,473,080.89/4,550.74
  6. Step 6: Final answer
    x = 3,839.61

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Half scale
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Double scale
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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.