Home / 3,275.28-4,519.97-1,783.29

Finding the Fourth Proportional to 3,275.28, 4,519.97 and 1,783.29

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Solution

The fourth proportional to 3,275.28, 4,519.97 and 1,783.29 is: 2,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.28 : 4,519.97 = 1,783.29 : x
  2. Step 2: Convert to fraction form
    3,275.28/4,519.97 = 1,783.29/x
  3. Step 3: Cross multiply
    3,275.28x = 4,519.97 × 1,783.29
  4. Step 4: Simplify right side
    3,275.28x = 8,060,408.38
  5. Step 5: Solve for x
    x = 8,060,408.38/3,275.28
  6. Step 6: Final answer
    x = 2,460.99

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Half scale
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Double scale
Find fourth proportional to 3,276.28, 4,521.35 and 1,784.29
Similar ratio
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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.