Home / 2,405.06-3,319.86-1,411.17

Finding the Fourth Proportional to 2,405.06, 3,319.86 and 1,411.17

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Solution

The fourth proportional to 2,405.06, 3,319.86 and 1,411.17 is: 1,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.06 : 3,319.86 = 1,411.17 : x
  2. Step 2: Convert to fraction form
    2,405.06/3,319.86 = 1,411.17/x
  3. Step 3: Cross multiply
    2,405.06x = 3,319.86 × 1,411.17
  4. Step 4: Simplify right side
    2,405.06x = 4,684,892.13
  5. Step 5: Solve for x
    x = 4,684,892.13/2,405.06
  6. Step 6: Final answer
    x = 1,947.93

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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.