Home / 5,654.09-7,802.64-3,136.14

Finding the Fourth Proportional to 5,654.09, 7,802.64 and 3,136.14

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Solution

The fourth proportional to 5,654.09, 7,802.64 and 3,136.14 is: 4,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.09 : 7,802.64 = 3,136.14 : x
  2. Step 2: Convert to fraction form
    5,654.09/7,802.64 = 3,136.14/x
  3. Step 3: Cross multiply
    5,654.09x = 7,802.64 × 3,136.14
  4. Step 4: Simplify right side
    5,654.09x = 24,470,171.41
  5. Step 5: Solve for x
    x = 24,470,171.41/5,654.09
  6. Step 6: Final answer
    x = 4,327.87

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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.