Home / 5,575.32-7,687.56-5,236.32

Finding the Fourth Proportional to 5,575.32, 7,687.56 and 5,236.32

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Solution

The fourth proportional to 5,575.32, 7,687.56 and 5,236.32 is: 7,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.32 : 7,687.56 = 5,236.32 : x
  2. Step 2: Convert to fraction form
    5,575.32/7,687.56 = 5,236.32/x
  3. Step 3: Cross multiply
    5,575.32x = 7,687.56 × 5,236.32
  4. Step 4: Simplify right side
    5,575.32x = 40,254,524.18
  5. Step 5: Solve for x
    x = 40,254,524.18/5,575.32
  6. Step 6: Final answer
    x = 7,220.13

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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.