Home / 2,415.44-3,332.70-1,530.92

Finding the Fourth Proportional to 2,415.44, 3,332.70 and 1,530.92

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Solution

The fourth proportional to 2,415.44, 3,332.70 and 1,530.92 is: 2,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.44 : 3,332.70 = 1,530.92 : x
  2. Step 2: Convert to fraction form
    2,415.44/3,332.70 = 1,530.92/x
  3. Step 3: Cross multiply
    2,415.44x = 3,332.70 × 1,530.92
  4. Step 4: Simplify right side
    2,415.44x = 5,102,080.42
  5. Step 5: Solve for x
    x = 5,102,080.42/2,415.44
  6. Step 6: Final answer
    x = 2,112.28

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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.