Home / 7,713.57-10,644.75-4,176.77

Finding the Fourth Proportional to 7,713.57, 10,644.75 and 4,176.77

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Solution

The fourth proportional to 7,713.57, 10,644.75 and 4,176.77 is: 5,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.57 : 10,644.75 = 4,176.77 : x
  2. Step 2: Convert to fraction form
    7,713.57/10,644.75 = 4,176.77/x
  3. Step 3: Cross multiply
    7,713.57x = 10,644.75 × 4,176.77
  4. Step 4: Simplify right side
    7,713.57x = 44,460,651.57
  5. Step 5: Solve for x
    x = 44,460,651.57/7,713.57
  6. Step 6: Final answer
    x = 5,763.96

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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.