Home / 3,880.76-5,356.66-2,483.52

Finding the Fourth Proportional to 3,880.76, 5,356.66 and 2,483.52

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Solution

The fourth proportional to 3,880.76, 5,356.66 and 2,483.52 is: 3,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.76 : 5,356.66 = 2,483.52 : x
  2. Step 2: Convert to fraction form
    3,880.76/5,356.66 = 2,483.52/x
  3. Step 3: Cross multiply
    3,880.76x = 5,356.66 × 2,483.52
  4. Step 4: Simplify right side
    3,880.76x = 13,303,372.24
  5. Step 5: Solve for x
    x = 13,303,372.24/3,880.76
  6. Step 6: Final answer
    x = 3,428.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.