Home / 5,373.32-8,020.72-4,977.61

Finding the Fourth Proportional to 5,373.32, 8,020.72 and 4,977.61

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Solution

The fourth proportional to 5,373.32, 8,020.72 and 4,977.61 is: 7,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.32 : 8,020.72 = 4,977.61 : x
  2. Step 2: Convert to fraction form
    5,373.32/8,020.72 = 4,977.61/x
  3. Step 3: Cross multiply
    5,373.32x = 8,020.72 × 4,977.61
  4. Step 4: Simplify right side
    5,373.32x = 39,924,016.08
  5. Step 5: Solve for x
    x = 39,924,016.08/5,373.32
  6. Step 6: Final answer
    x = 7,430.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.