Home / 7,319.90-10,101.84-4,176.02

Finding the Fourth Proportional to 7,319.90, 10,101.84 and 4,176.02

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Solution

The fourth proportional to 7,319.90, 10,101.84 and 4,176.02 is: 5,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.90 : 10,101.84 = 4,176.02 : x
  2. Step 2: Convert to fraction form
    7,319.90/10,101.84 = 4,176.02/x
  3. Step 3: Cross multiply
    7,319.90x = 10,101.84 × 4,176.02
  4. Step 4: Simplify right side
    7,319.90x = 42,185,485.88
  5. Step 5: Solve for x
    x = 42,185,485.88/7,319.90
  6. Step 6: Final answer
    x = 5,763.12

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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.