Home / 4,175.80-5,762.82-2,312.92

Finding the Fourth Proportional to 4,175.80, 5,762.82 and 2,312.92

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Solution

The fourth proportional to 4,175.80, 5,762.82 and 2,312.92 is: 3,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.80 : 5,762.82 = 2,312.92 : x
  2. Step 2: Convert to fraction form
    4,175.80/5,762.82 = 2,312.92/x
  3. Step 3: Cross multiply
    4,175.80x = 5,762.82 × 2,312.92
  4. Step 4: Simplify right side
    4,175.80x = 13,328,941.63
  5. Step 5: Solve for x
    x = 13,328,941.63/4,175.80
  6. Step 6: Final answer
    x = 3,191.95

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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.