Home / 3,873.40-5,343.24-2,454.58

Finding the Fourth Proportional to 3,873.40, 5,343.24 and 2,454.58

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Solution

The fourth proportional to 3,873.40, 5,343.24 and 2,454.58 is: 3,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.40 : 5,343.24 = 2,454.58 : x
  2. Step 2: Convert to fraction form
    3,873.40/5,343.24 = 2,454.58/x
  3. Step 3: Cross multiply
    3,873.40x = 5,343.24 × 2,454.58
  4. Step 4: Simplify right side
    3,873.40x = 13,115,410.04
  5. Step 5: Solve for x
    x = 13,115,410.04/3,873.40
  6. Step 6: Final answer
    x = 3,386.02

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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.