Home / 5,373.20-8,059.48-1,424.16

Finding the Fourth Proportional to 5,373.20, 8,059.48 and 1,424.16

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Solution

The fourth proportional to 5,373.20, 8,059.48 and 1,424.16 is: 2,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.20 : 8,059.48 = 1,424.16 : x
  2. Step 2: Convert to fraction form
    5,373.20/8,059.48 = 1,424.16/x
  3. Step 3: Cross multiply
    5,373.20x = 8,059.48 × 1,424.16
  4. Step 4: Simplify right side
    5,373.20x = 11,477,989.04
  5. Step 5: Solve for x
    x = 11,477,989.04/5,373.20
  6. Step 6: Final answer
    x = 2,136.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.