Home / 7,649.44-10,555.58-4,291.80

Finding the Fourth Proportional to 7,649.44, 10,555.58 and 4,291.80

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Solution

The fourth proportional to 7,649.44, 10,555.58 and 4,291.80 is: 5,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.44 : 10,555.58 = 4,291.80 : x
  2. Step 2: Convert to fraction form
    7,649.44/10,555.58 = 4,291.80/x
  3. Step 3: Cross multiply
    7,649.44x = 10,555.58 × 4,291.80
  4. Step 4: Simplify right side
    7,649.44x = 45,302,438.24
  5. Step 5: Solve for x
    x = 45,302,438.24/7,649.44
  6. Step 6: Final answer
    x = 5,922.32

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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.