Home / 5,155.65-7,730.64-2,032.70

Finding the Fourth Proportional to 5,155.65, 7,730.64 and 2,032.70

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Solution

The fourth proportional to 5,155.65, 7,730.64 and 2,032.70 is: 3,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.65 : 7,730.64 = 2,032.70 : x
  2. Step 2: Convert to fraction form
    5,155.65/7,730.64 = 2,032.70/x
  3. Step 3: Cross multiply
    5,155.65x = 7,730.64 × 2,032.70
  4. Step 4: Simplify right side
    5,155.65x = 15,714,033.27
  5. Step 5: Solve for x
    x = 15,714,033.27/5,155.65
  6. Step 6: Final answer
    x = 3,047.92

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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.