Home / 4,281.14-6,423.57-1,509.80

Finding the Fourth Proportional to 4,281.14, 6,423.57 and 1,509.80

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Solution

The fourth proportional to 4,281.14, 6,423.57 and 1,509.80 is: 2,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.14 : 6,423.57 = 1,509.80 : x
  2. Step 2: Convert to fraction form
    4,281.14/6,423.57 = 1,509.80/x
  3. Step 3: Cross multiply
    4,281.14x = 6,423.57 × 1,509.80
  4. Step 4: Simplify right side
    4,281.14x = 9,698,273.87
  5. Step 5: Solve for x
    x = 9,698,273.87/4,281.14
  6. Step 6: Final answer
    x = 2,265.35

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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.