Home / 3,872.01-5,341.32-2,453.19

Finding the Fourth Proportional to 3,872.01, 5,341.32 and 2,453.19

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Solution

The fourth proportional to 3,872.01, 5,341.32 and 2,453.19 is: 3,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.01 : 5,341.32 = 2,453.19 : x
  2. Step 2: Convert to fraction form
    3,872.01/5,341.32 = 2,453.19/x
  3. Step 3: Cross multiply
    3,872.01x = 5,341.32 × 2,453.19
  4. Step 4: Simplify right side
    3,872.01x = 13,103,272.81
  5. Step 5: Solve for x
    x = 13,103,272.81/3,872.01
  6. Step 6: Final answer
    x = 3,384.10

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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.