Home / 2,454.16-3,386.64-1,406.08

Finding the Fourth Proportional to 2,454.16, 3,386.64 and 1,406.08

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Solution

The fourth proportional to 2,454.16, 3,386.64 and 1,406.08 is: 1,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.16 : 3,386.64 = 1,406.08 : x
  2. Step 2: Convert to fraction form
    2,454.16/3,386.64 = 1,406.08/x
  3. Step 3: Cross multiply
    2,454.16x = 3,386.64 × 1,406.08
  4. Step 4: Simplify right side
    2,454.16x = 4,761,886.77
  5. Step 5: Solve for x
    x = 4,761,886.77/2,454.16
  6. Step 6: Final answer
    x = 1,940.33

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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.