Home / 5,649.56-7,790.84-4,053.52

Finding the Fourth Proportional to 5,649.56, 7,790.84 and 4,053.52

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Solution

The fourth proportional to 5,649.56, 7,790.84 and 4,053.52 is: 5,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.56 : 7,790.84 = 4,053.52 : x
  2. Step 2: Convert to fraction form
    5,649.56/7,790.84 = 4,053.52/x
  3. Step 3: Cross multiply
    5,649.56x = 7,790.84 × 4,053.52
  4. Step 4: Simplify right side
    5,649.56x = 31,580,325.76
  5. Step 5: Solve for x
    x = 31,580,325.76/5,649.56
  6. Step 6: Final answer
    x = 5,589.87

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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.