Home / 2,970.57-4,099.77-1,792.29

Finding the Fourth Proportional to 2,970.57, 4,099.77 and 1,792.29

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Solution

The fourth proportional to 2,970.57, 4,099.77 and 1,792.29 is: 2,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.57 : 4,099.77 = 1,792.29 : x
  2. Step 2: Convert to fraction form
    2,970.57/4,099.77 = 1,792.29/x
  3. Step 3: Cross multiply
    2,970.57x = 4,099.77 × 1,792.29
  4. Step 4: Simplify right side
    2,970.57x = 7,347,976.77
  5. Step 5: Solve for x
    x = 7,347,976.77/2,970.57
  6. Step 6: Final answer
    x = 2,473.59

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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.