Home / 5,931.04-8,191.73-3,938.14

Finding the Fourth Proportional to 5,931.04, 8,191.73 and 3,938.14

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Solution

The fourth proportional to 5,931.04, 8,191.73 and 3,938.14 is: 5,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.04 : 8,191.73 = 3,938.14 : x
  2. Step 2: Convert to fraction form
    5,931.04/8,191.73 = 3,938.14/x
  3. Step 3: Cross multiply
    5,931.04x = 8,191.73 × 3,938.14
  4. Step 4: Simplify right side
    5,931.04x = 32,260,153.59
  5. Step 5: Solve for x
    x = 32,260,153.59/5,931.04
  6. Step 6: Final answer
    x = 5,439.21

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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.