Home / 3,072.48-4,238.40-2,024.16

Finding the Fourth Proportional to 3,072.48, 4,238.40 and 2,024.16

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Solution

The fourth proportional to 3,072.48, 4,238.40 and 2,024.16 is: 2,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.48 : 4,238.40 = 2,024.16 : x
  2. Step 2: Convert to fraction form
    3,072.48/4,238.40 = 2,024.16/x
  3. Step 3: Cross multiply
    3,072.48x = 4,238.40 × 2,024.16
  4. Step 4: Simplify right side
    3,072.48x = 8,579,199.74
  5. Step 5: Solve for x
    x = 8,579,199.74/3,072.48
  6. Step 6: Final answer
    x = 2,792.27

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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.