Home / 5,456.84-7,530.60-3,099.08

Finding the Fourth Proportional to 5,456.84, 7,530.60 and 3,099.08

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Solution

The fourth proportional to 5,456.84, 7,530.60 and 3,099.08 is: 4,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.84 : 7,530.60 = 3,099.08 : x
  2. Step 2: Convert to fraction form
    5,456.84/7,530.60 = 3,099.08/x
  3. Step 3: Cross multiply
    5,456.84x = 7,530.60 × 3,099.08
  4. Step 4: Simplify right side
    5,456.84x = 23,337,931.85
  5. Step 5: Solve for x
    x = 23,337,931.85/5,456.84
  6. Step 6: Final answer
    x = 4,276.82

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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.