Home / 3,971.15-5,482.86-3,550.16

Finding the Fourth Proportional to 3,971.15, 5,482.86 and 3,550.16

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Solution

The fourth proportional to 3,971.15, 5,482.86 and 3,550.16 is: 4,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.15 : 5,482.86 = 3,550.16 : x
  2. Step 2: Convert to fraction form
    3,971.15/5,482.86 = 3,550.16/x
  3. Step 3: Cross multiply
    3,971.15x = 5,482.86 × 3,550.16
  4. Step 4: Simplify right side
    3,971.15x = 19,465,030.26
  5. Step 5: Solve for x
    x = 19,465,030.26/3,971.15
  6. Step 6: Final answer
    x = 4,901.61

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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.