Home / 4,880.11-7,320.37-1,417.36

Finding the Fourth Proportional to 4,880.11, 7,320.37 and 1,417.36

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Solution

The fourth proportional to 4,880.11, 7,320.37 and 1,417.36 is: 2,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.11 : 7,320.37 = 1,417.36 : x
  2. Step 2: Convert to fraction form
    4,880.11/7,320.37 = 1,417.36/x
  3. Step 3: Cross multiply
    4,880.11x = 7,320.37 × 1,417.36
  4. Step 4: Simplify right side
    4,880.11x = 10,375,594.16
  5. Step 5: Solve for x
    x = 10,375,594.16/4,880.11
  6. Step 6: Final answer
    x = 2,126.10

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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.