Home / 2,323.12-3,206.52-1,438.42

Finding the Fourth Proportional to 2,323.12, 3,206.52 and 1,438.42

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Solution

The fourth proportional to 2,323.12, 3,206.52 and 1,438.42 is: 1,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.12 : 3,206.52 = 1,438.42 : x
  2. Step 2: Convert to fraction form
    2,323.12/3,206.52 = 1,438.42/x
  3. Step 3: Cross multiply
    2,323.12x = 3,206.52 × 1,438.42
  4. Step 4: Simplify right side
    2,323.12x = 4,612,322.50
  5. Step 5: Solve for x
    x = 4,612,322.50/2,323.12
  6. Step 6: Final answer
    x = 1,985.40

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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.