Home / 4,140.74-6,209.15-1,506.39

Finding the Fourth Proportional to 4,140.74, 6,209.15 and 1,506.39

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Solution

The fourth proportional to 4,140.74, 6,209.15 and 1,506.39 is: 2,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.74 : 6,209.15 = 1,506.39 : x
  2. Step 2: Convert to fraction form
    4,140.74/6,209.15 = 1,506.39/x
  3. Step 3: Cross multiply
    4,140.74x = 6,209.15 × 1,506.39
  4. Step 4: Simplify right side
    4,140.74x = 9,353,401.47
  5. Step 5: Solve for x
    x = 9,353,401.47/4,140.74
  6. Step 6: Final answer
    x = 2,258.87

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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.