Home / 4,801.47-7,199.77-1,681.65

Finding the Fourth Proportional to 4,801.47, 7,199.77 and 1,681.65

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Solution

The fourth proportional to 4,801.47, 7,199.77 and 1,681.65 is: 2,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.47 : 7,199.77 = 1,681.65 : x
  2. Step 2: Convert to fraction form
    4,801.47/7,199.77 = 1,681.65/x
  3. Step 3: Cross multiply
    4,801.47x = 7,199.77 × 1,681.65
  4. Step 4: Simplify right side
    4,801.47x = 12,107,493.22
  5. Step 5: Solve for x
    x = 12,107,493.22/4,801.47
  6. Step 6: Final answer
    x = 2,521.62

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1.5x scale

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.