Home / 4,681.28-7,023.04-2,084.80

Finding the Fourth Proportional to 4,681.28, 7,023.04 and 2,084.80

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Solution

The fourth proportional to 4,681.28, 7,023.04 and 2,084.80 is: 3,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.28 : 7,023.04 = 2,084.80 : x
  2. Step 2: Convert to fraction form
    4,681.28/7,023.04 = 2,084.80/x
  3. Step 3: Cross multiply
    4,681.28x = 7,023.04 × 2,084.80
  4. Step 4: Simplify right side
    4,681.28x = 14,641,633.79
  5. Step 5: Solve for x
    x = 14,641,633.79/4,681.28
  6. Step 6: Final answer
    x = 3,127.70

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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.