Home / 5,495.12-8,242.56-1,335.15

Finding the Fourth Proportional to 5,495.12, 8,242.56 and 1,335.15

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Solution

The fourth proportional to 5,495.12, 8,242.56 and 1,335.15 is: 2,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.12 : 8,242.56 = 1,335.15 : x
  2. Step 2: Convert to fraction form
    5,495.12/8,242.56 = 1,335.15/x
  3. Step 3: Cross multiply
    5,495.12x = 8,242.56 × 1,335.15
  4. Step 4: Simplify right side
    5,495.12x = 11,005,012.77
  5. Step 5: Solve for x
    x = 11,005,012.77/5,495.12
  6. Step 6: Final answer
    x = 2,002.69

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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.