Home / 3,416.01-5,120.75-1,335.32

Finding the Fourth Proportional to 3,416.01, 5,120.75 and 1,335.32

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Solution

The fourth proportional to 3,416.01, 5,120.75 and 1,335.32 is: 2,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.01 : 5,120.75 = 1,335.32 : x
  2. Step 2: Convert to fraction form
    3,416.01/5,120.75 = 1,335.32/x
  3. Step 3: Cross multiply
    3,416.01x = 5,120.75 × 1,335.32
  4. Step 4: Simplify right side
    3,416.01x = 6,837,807.61
  5. Step 5: Solve for x
    x = 6,837,807.61/3,416.01
  6. Step 6: Final answer
    x = 2,001.69

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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.