Home / 2,970.12-4,453.68-1,737.90

Finding the Fourth Proportional to 2,970.12, 4,453.68 and 1,737.90

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Solution

The fourth proportional to 2,970.12, 4,453.68 and 1,737.90 is: 2,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.12 : 4,453.68 = 1,737.90 : x
  2. Step 2: Convert to fraction form
    2,970.12/4,453.68 = 1,737.90/x
  3. Step 3: Cross multiply
    2,970.12x = 4,453.68 × 1,737.90
  4. Step 4: Simplify right side
    2,970.12x = 7,740,050.47
  5. Step 5: Solve for x
    x = 7,740,050.47/2,970.12
  6. Step 6: Final answer
    x = 2,605.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.