Home / 5,312.27-7,331.51-3,074.11

Finding the Fourth Proportional to 5,312.27, 7,331.51 and 3,074.11

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Solution

The fourth proportional to 5,312.27, 7,331.51 and 3,074.11 is: 4,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.27 : 7,331.51 = 3,074.11 : x
  2. Step 2: Convert to fraction form
    5,312.27/7,331.51 = 3,074.11/x
  3. Step 3: Cross multiply
    5,312.27x = 7,331.51 × 3,074.11
  4. Step 4: Simplify right side
    5,312.27x = 22,537,868.21
  5. Step 5: Solve for x
    x = 22,537,868.21/5,312.27
  6. Step 6: Final answer
    x = 4,242.61

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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.