Home / 7,717.23-10,649.76-4,180.44

Finding the Fourth Proportional to 7,717.23, 10,649.76 and 4,180.44

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Solution

The fourth proportional to 7,717.23, 10,649.76 and 4,180.44 is: 5,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.23 : 10,649.76 = 4,180.44 : x
  2. Step 2: Convert to fraction form
    7,717.23/10,649.76 = 4,180.44/x
  3. Step 3: Cross multiply
    7,717.23x = 10,649.76 × 4,180.44
  4. Step 4: Simplify right side
    7,717.23x = 44,520,682.69
  5. Step 5: Solve for x
    x = 44,520,682.69/7,717.23
  6. Step 6: Final answer
    x = 5,769.00

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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.