Home / 5,173.88-7,762.35-2,984.18

Finding the Fourth Proportional to 5,173.88, 7,762.35 and 2,984.18

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Solution

The fourth proportional to 5,173.88, 7,762.35 and 2,984.18 is: 4,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.88 : 7,762.35 = 2,984.18 : x
  2. Step 2: Convert to fraction form
    5,173.88/7,762.35 = 2,984.18/x
  3. Step 3: Cross multiply
    5,173.88x = 7,762.35 × 2,984.18
  4. Step 4: Simplify right side
    5,173.88x = 23,164,210.81
  5. Step 5: Solve for x
    x = 23,164,210.81/5,173.88
  6. Step 6: Final answer
    x = 4,477.15

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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.