Home / 3,136.03-4,327.70-1,719.68

Finding the Fourth Proportional to 3,136.03, 4,327.70 and 1,719.68

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Solution

The fourth proportional to 3,136.03, 4,327.70 and 1,719.68 is: 2,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.03 : 4,327.70 = 1,719.68 : x
  2. Step 2: Convert to fraction form
    3,136.03/4,327.70 = 1,719.68/x
  3. Step 3: Cross multiply
    3,136.03x = 4,327.70 × 1,719.68
  4. Step 4: Simplify right side
    3,136.03x = 7,442,228.90
  5. Step 5: Solve for x
    x = 7,442,228.90/3,136.03
  6. Step 6: Final answer
    x = 2,373.14

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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.