Home / 5,543.36-7,649.81-3,153.34

Finding the Fourth Proportional to 5,543.36, 7,649.81 and 3,153.34

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Solution

The fourth proportional to 5,543.36, 7,649.81 and 3,153.34 is: 4,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.36 : 7,649.81 = 3,153.34 : x
  2. Step 2: Convert to fraction form
    5,543.36/7,649.81 = 3,153.34/x
  3. Step 3: Cross multiply
    5,543.36x = 7,649.81 × 3,153.34
  4. Step 4: Simplify right side
    5,543.36x = 24,122,457.49
  5. Step 5: Solve for x
    x = 24,122,457.49/5,543.36
  6. Step 6: Final answer
    x = 4,351.60

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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.