Home / 5,233.12-7,215.90-5,112.16

Finding the Fourth Proportional to 5,233.12, 7,215.90 and 5,112.16

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Solution

The fourth proportional to 5,233.12, 7,215.90 and 5,112.16 is: 7,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.12 : 7,215.90 = 5,112.16 : x
  2. Step 2: Convert to fraction form
    5,233.12/7,215.90 = 5,112.16/x
  3. Step 3: Cross multiply
    5,233.12x = 7,215.90 × 5,112.16
  4. Step 4: Simplify right side
    5,233.12x = 36,888,835.34
  5. Step 5: Solve for x
    x = 36,888,835.34/5,233.12
  6. Step 6: Final answer
    x = 7,049.11

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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.