Home / 2,880.90-4,320.81-2,356.02

Finding the Fourth Proportional to 2,880.90, 4,320.81 and 2,356.02

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Solution

The fourth proportional to 2,880.90, 4,320.81 and 2,356.02 is: 3,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.90 : 4,320.81 = 2,356.02 : x
  2. Step 2: Convert to fraction form
    2,880.90/4,320.81 = 2,356.02/x
  3. Step 3: Cross multiply
    2,880.90x = 4,320.81 × 2,356.02
  4. Step 4: Simplify right side
    2,880.90x = 10,179,914.78
  5. Step 5: Solve for x
    x = 10,179,914.78/2,880.90
  6. Step 6: Final answer
    x = 3,533.59

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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.