Home / 3,925.99-5,420.55-2,434.51

Finding the Fourth Proportional to 3,925.99, 5,420.55 and 2,434.51

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Solution

The fourth proportional to 3,925.99, 5,420.55 and 2,434.51 is: 3,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.99 : 5,420.55 = 2,434.51 : x
  2. Step 2: Convert to fraction form
    3,925.99/5,420.55 = 2,434.51/x
  3. Step 3: Cross multiply
    3,925.99x = 5,420.55 × 2,434.51
  4. Step 4: Simplify right side
    3,925.99x = 13,196,383.18
  5. Step 5: Solve for x
    x = 13,196,383.18/3,925.99
  6. Step 6: Final answer
    x = 3,361.29

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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.