Home / 3,135.06-4,326.48-1,737.81

Finding the Fourth Proportional to 3,135.06, 4,326.48 and 1,737.81

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Solution

The fourth proportional to 3,135.06, 4,326.48 and 1,737.81 is: 2,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.06 : 4,326.48 = 1,737.81 : x
  2. Step 2: Convert to fraction form
    3,135.06/4,326.48 = 1,737.81/x
  3. Step 3: Cross multiply
    3,135.06x = 4,326.48 × 1,737.81
  4. Step 4: Simplify right side
    3,135.06x = 7,518,600.21
  5. Step 5: Solve for x
    x = 7,518,600.21/3,135.06
  6. Step 6: Final answer
    x = 2,398.23

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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.