Home / 3,955.95-5,459.64-2,443.42

Finding the Fourth Proportional to 3,955.95, 5,459.64 and 2,443.42

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Solution

The fourth proportional to 3,955.95, 5,459.64 and 2,443.42 is: 3,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.95 : 5,459.64 = 2,443.42 : x
  2. Step 2: Convert to fraction form
    3,955.95/5,459.64 = 2,443.42/x
  3. Step 3: Cross multiply
    3,955.95x = 5,459.64 × 2,443.42
  4. Step 4: Simplify right side
    3,955.95x = 13,340,191.23
  5. Step 5: Solve for x
    x = 13,340,191.23/3,955.95
  6. Step 6: Final answer
    x = 3,372.18

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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.