Home / 5,110.16-7,051.78-3,124.04

Finding the Fourth Proportional to 5,110.16, 7,051.78 and 3,124.04

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Solution

The fourth proportional to 5,110.16, 7,051.78 and 3,124.04 is: 4,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.16 : 7,051.78 = 3,124.04 : x
  2. Step 2: Convert to fraction form
    5,110.16/7,051.78 = 3,124.04/x
  3. Step 3: Cross multiply
    5,110.16x = 7,051.78 × 3,124.04
  4. Step 4: Simplify right side
    5,110.16x = 22,030,042.79
  5. Step 5: Solve for x
    x = 22,030,042.79/5,110.16
  6. Step 6: Final answer
    x = 4,311.03

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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.