Home / 3,539.28-4,885.53-2,657.63

Finding the Fourth Proportional to 3,539.28, 4,885.53 and 2,657.63

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Solution

The fourth proportional to 3,539.28, 4,885.53 and 2,657.63 is: 3,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.28 : 4,885.53 = 2,657.63 : x
  2. Step 2: Convert to fraction form
    3,539.28/4,885.53 = 2,657.63/x
  3. Step 3: Cross multiply
    3,539.28x = 4,885.53 × 2,657.63
  4. Step 4: Simplify right side
    3,539.28x = 12,983,893.38
  5. Step 5: Solve for x
    x = 12,983,893.38/3,539.28
  6. Step 6: Final answer
    x = 3,668.52

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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.