Home / 7,317.60-10,098-4,173.18

Finding the Fourth Proportional to 7,317.60, 10,098 and 4,173.18

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Solution

The fourth proportional to 7,317.60, 10,098 and 4,173.18 is: 5,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.60 : 10,098 = 4,173.18 : x
  2. Step 2: Convert to fraction form
    7,317.60/10,098 = 4,173.18/x
  3. Step 3: Cross multiply
    7,317.60x = 10,098 × 4,173.18
  4. Step 4: Simplify right side
    7,317.60x = 42,140,771.64
  5. Step 5: Solve for x
    x = 42,140,771.64/7,317.60
  6. Step 6: Final answer
    x = 5,758.82

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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.