Home / 4,175.95-5,762.80-2,287.65

Finding the Fourth Proportional to 4,175.95, 5,762.80 and 2,287.65

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Solution

The fourth proportional to 4,175.95, 5,762.80 and 2,287.65 is: 3,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.95 : 5,762.80 = 2,287.65 : x
  2. Step 2: Convert to fraction form
    4,175.95/5,762.80 = 2,287.65/x
  3. Step 3: Cross multiply
    4,175.95x = 5,762.80 × 2,287.65
  4. Step 4: Simplify right side
    4,175.95x = 13,183,240.61
  5. Step 5: Solve for x
    x = 13,183,240.61/4,175.95
  6. Step 6: Final answer
    x = 3,156.94

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1.5x scale

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.