Home / 2,415.15-3,332.34-1,367.01

Finding the Fourth Proportional to 2,415.15, 3,332.34 and 1,367.01

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Solution

The fourth proportional to 2,415.15, 3,332.34 and 1,367.01 is: 1,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.15 : 3,332.34 = 1,367.01 : x
  2. Step 2: Convert to fraction form
    2,415.15/3,332.34 = 1,367.01/x
  3. Step 3: Cross multiply
    2,415.15x = 3,332.34 × 1,367.01
  4. Step 4: Simplify right side
    2,415.15x = 4,555,342.10
  5. Step 5: Solve for x
    x = 4,555,342.10/2,415.15
  6. Step 6: Final answer
    x = 1,886.15

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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.