Home / 5,465.04-8,205.76-3,127.68

Finding the Fourth Proportional to 5,465.04, 8,205.76 and 3,127.68

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Solution

The fourth proportional to 5,465.04, 8,205.76 and 3,127.68 is: 4,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.04 : 8,205.76 = 3,127.68 : x
  2. Step 2: Convert to fraction form
    5,465.04/8,205.76 = 3,127.68/x
  3. Step 3: Cross multiply
    5,465.04x = 8,205.76 × 3,127.68
  4. Step 4: Simplify right side
    5,465.04x = 25,664,995.35
  5. Step 5: Solve for x
    x = 25,664,995.35/5,465.04
  6. Step 6: Final answer
    x = 4,696.22

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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.