Home / 6,747.80-9,312.35-3,763.55

Finding the Fourth Proportional to 6,747.80, 9,312.35 and 3,763.55

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Solution

The fourth proportional to 6,747.80, 9,312.35 and 3,763.55 is: 5,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.80 : 9,312.35 = 3,763.55 : x
  2. Step 2: Convert to fraction form
    6,747.80/9,312.35 = 3,763.55/x
  3. Step 3: Cross multiply
    6,747.80x = 9,312.35 × 3,763.55
  4. Step 4: Simplify right side
    6,747.80x = 35,047,429.46
  5. Step 5: Solve for x
    x = 35,047,429.46/6,747.80
  6. Step 6: Final answer
    x = 5,193.91

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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.