Home / 4,935.68-7,404.40-2,985.56

Finding the Fourth Proportional to 4,935.68, 7,404.40 and 2,985.56

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Solution

The fourth proportional to 4,935.68, 7,404.40 and 2,985.56 is: 4,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.68 : 7,404.40 = 2,985.56 : x
  2. Step 2: Convert to fraction form
    4,935.68/7,404.40 = 2,985.56/x
  3. Step 3: Cross multiply
    4,935.68x = 7,404.40 × 2,985.56
  4. Step 4: Simplify right side
    4,935.68x = 22,106,280.46
  5. Step 5: Solve for x
    x = 22,106,280.46/4,935.68
  6. Step 6: Final answer
    x = 4,478.87

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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.