Home / 2,991.17-4,483.53-2,853.16

Finding the Fourth Proportional to 2,991.17, 4,483.53 and 2,853.16

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Solution

The fourth proportional to 2,991.17, 4,483.53 and 2,853.16 is: 4,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.17 : 4,483.53 = 2,853.16 : x
  2. Step 2: Convert to fraction form
    2,991.17/4,483.53 = 2,853.16/x
  3. Step 3: Cross multiply
    2,991.17x = 4,483.53 × 2,853.16
  4. Step 4: Simplify right side
    2,991.17x = 12,792,228.45
  5. Step 5: Solve for x
    x = 12,792,228.45/2,991.17
  6. Step 6: Final answer
    x = 4,276.66

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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.