Home / 5,434.36-7,500.40-3,196.87

Finding the Fourth Proportional to 5,434.36, 7,500.40 and 3,196.87

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Solution

The fourth proportional to 5,434.36, 7,500.40 and 3,196.87 is: 4,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.36 : 7,500.40 = 3,196.87 : x
  2. Step 2: Convert to fraction form
    5,434.36/7,500.40 = 3,196.87/x
  3. Step 3: Cross multiply
    5,434.36x = 7,500.40 × 3,196.87
  4. Step 4: Simplify right side
    5,434.36x = 23,977,777.00
  5. Step 5: Solve for x
    x = 23,977,777.00/5,434.36
  6. Step 6: Final answer
    x = 4,412.26

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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.