Home / 3,050.76-4,210.61-1,724.46

Finding the Fourth Proportional to 3,050.76, 4,210.61 and 1,724.46

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Solution

The fourth proportional to 3,050.76, 4,210.61 and 1,724.46 is: 2,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.76 : 4,210.61 = 1,724.46 : x
  2. Step 2: Convert to fraction form
    3,050.76/4,210.61 = 1,724.46/x
  3. Step 3: Cross multiply
    3,050.76x = 4,210.61 × 1,724.46
  4. Step 4: Simplify right side
    3,050.76x = 7,261,044.49
  5. Step 5: Solve for x
    x = 7,261,044.49/3,050.76
  6. Step 6: Final answer
    x = 2,380.07

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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.