Home / 4,088.56-6,132.32-1,315.12

Finding the Fourth Proportional to 4,088.56, 6,132.32 and 1,315.12

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Solution

The fourth proportional to 4,088.56, 6,132.32 and 1,315.12 is: 1,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.56 : 6,132.32 = 1,315.12 : x
  2. Step 2: Convert to fraction form
    4,088.56/6,132.32 = 1,315.12/x
  3. Step 3: Cross multiply
    4,088.56x = 6,132.32 × 1,315.12
  4. Step 4: Simplify right side
    4,088.56x = 8,064,736.68
  5. Step 5: Solve for x
    x = 8,064,736.68/4,088.56
  6. Step 6: Final answer
    x = 1,972.51

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Double scale
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Similar ratio
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1.5x scale

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.