Home / 5,812.76-8,021.58-3,160.16

Finding the Fourth Proportional to 5,812.76, 8,021.58 and 3,160.16

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Solution

The fourth proportional to 5,812.76, 8,021.58 and 3,160.16 is: 4,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.76 : 8,021.58 = 3,160.16 : x
  2. Step 2: Convert to fraction form
    5,812.76/8,021.58 = 3,160.16/x
  3. Step 3: Cross multiply
    5,812.76x = 8,021.58 × 3,160.16
  4. Step 4: Simplify right side
    5,812.76x = 25,349,476.25
  5. Step 5: Solve for x
    x = 25,349,476.25/5,812.76
  6. Step 6: Final answer
    x = 4,361.01

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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.