Home / 3,432.12-4,736.31-1,860.21

Finding the Fourth Proportional to 3,432.12, 4,736.31 and 1,860.21

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Solution

The fourth proportional to 3,432.12, 4,736.31 and 1,860.21 is: 2,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.12 : 4,736.31 = 1,860.21 : x
  2. Step 2: Convert to fraction form
    3,432.12/4,736.31 = 1,860.21/x
  3. Step 3: Cross multiply
    3,432.12x = 4,736.31 × 1,860.21
  4. Step 4: Simplify right side
    3,432.12x = 8,810,531.23
  5. Step 5: Solve for x
    x = 8,810,531.23/3,432.12
  6. Step 6: Final answer
    x = 2,567.08

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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.