Home / 5,649.66-8,434.01-4,911.75

Finding the Fourth Proportional to 5,649.66, 8,434.01 and 4,911.75

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Solution

The fourth proportional to 5,649.66, 8,434.01 and 4,911.75 is: 7,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.66 : 8,434.01 = 4,911.75 : x
  2. Step 2: Convert to fraction form
    5,649.66/8,434.01 = 4,911.75/x
  3. Step 3: Cross multiply
    5,649.66x = 8,434.01 × 4,911.75
  4. Step 4: Simplify right side
    5,649.66x = 41,425,724.06
  5. Step 5: Solve for x
    x = 41,425,724.06/5,649.66
  6. Step 6: Final answer
    x = 7,332.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.