Home / 5,403.11-8,090.65-4,628.09

Finding the Fourth Proportional to 5,403.11, 8,090.65 and 4,628.09

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Solution

The fourth proportional to 5,403.11, 8,090.65 and 4,628.09 is: 6,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.11 : 8,090.65 = 4,628.09 : x
  2. Step 2: Convert to fraction form
    5,403.11/8,090.65 = 4,628.09/x
  3. Step 3: Cross multiply
    5,403.11x = 8,090.65 × 4,628.09
  4. Step 4: Simplify right side
    5,403.11x = 37,444,192.76
  5. Step 5: Solve for x
    x = 37,444,192.76/5,403.11
  6. Step 6: Final answer
    x = 6,930.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.