Home / 3,432.80-4,737.24-1,860.89

Finding the Fourth Proportional to 3,432.80, 4,737.24 and 1,860.89

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Solution

The fourth proportional to 3,432.80, 4,737.24 and 1,860.89 is: 2,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.80 : 4,737.24 = 1,860.89 : x
  2. Step 2: Convert to fraction form
    3,432.80/4,737.24 = 1,860.89/x
  3. Step 3: Cross multiply
    3,432.80x = 4,737.24 × 1,860.89
  4. Step 4: Simplify right side
    3,432.80x = 8,815,482.54
  5. Step 5: Solve for x
    x = 8,815,482.54/3,432.80
  6. Step 6: Final answer
    x = 2,568.02

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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.