Home / 3,051.75-4,210.01-1,792.40

Finding the Fourth Proportional to 3,051.75, 4,210.01 and 1,792.40

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Solution

The fourth proportional to 3,051.75, 4,210.01 and 1,792.40 is: 2,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.75 : 4,210.01 = 1,792.40 : x
  2. Step 2: Convert to fraction form
    3,051.75/4,210.01 = 1,792.40/x
  3. Step 3: Cross multiply
    3,051.75x = 4,210.01 × 1,792.40
  4. Step 4: Simplify right side
    3,051.75x = 7,545,991.91
  5. Step 5: Solve for x
    x = 7,545,991.91/3,051.75
  6. Step 6: Final answer
    x = 2,472.68

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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.