Home / 5,280.04-7,914.58-1,767.41

Finding the Fourth Proportional to 5,280.04, 7,914.58 and 1,767.41

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Solution

The fourth proportional to 5,280.04, 7,914.58 and 1,767.41 is: 2,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.04 : 7,914.58 = 1,767.41 : x
  2. Step 2: Convert to fraction form
    5,280.04/7,914.58 = 1,767.41/x
  3. Step 3: Cross multiply
    5,280.04x = 7,914.58 × 1,767.41
  4. Step 4: Simplify right side
    5,280.04x = 13,988,293.53
  5. Step 5: Solve for x
    x = 13,988,293.53/5,280.04
  6. Step 6: Final answer
    x = 2,649.28

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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.