Home / 2,415.64-3,333.34-1,367.52

Finding the Fourth Proportional to 2,415.64, 3,333.34 and 1,367.52

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Solution

The fourth proportional to 2,415.64, 3,333.34 and 1,367.52 is: 1,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.64 : 3,333.34 = 1,367.52 : x
  2. Step 2: Convert to fraction form
    2,415.64/3,333.34 = 1,367.52/x
  3. Step 3: Cross multiply
    2,415.64x = 3,333.34 × 1,367.52
  4. Step 4: Simplify right side
    2,415.64x = 4,558,409.12
  5. Step 5: Solve for x
    x = 4,558,409.12/2,415.64
  6. Step 6: Final answer
    x = 1,887.04

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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.