Home / 5,135.05-7,090.69-3,461.99

Finding the Fourth Proportional to 5,135.05, 7,090.69 and 3,461.99

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Solution

The fourth proportional to 5,135.05, 7,090.69 and 3,461.99 is: 4,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.05 : 7,090.69 = 3,461.99 : x
  2. Step 2: Convert to fraction form
    5,135.05/7,090.69 = 3,461.99/x
  3. Step 3: Cross multiply
    5,135.05x = 7,090.69 × 3,461.99
  4. Step 4: Simplify right side
    5,135.05x = 24,547,900.14
  5. Step 5: Solve for x
    x = 24,547,900.14/5,135.05
  6. Step 6: Final answer
    x = 4,780.46

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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.