Home / 2,415.83-3,332.77-1,576.34

Finding the Fourth Proportional to 2,415.83, 3,332.77 and 1,576.34

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Solution

The fourth proportional to 2,415.83, 3,332.77 and 1,576.34 is: 2,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.83 : 3,332.77 = 1,576.34 : x
  2. Step 2: Convert to fraction form
    2,415.83/3,332.77 = 1,576.34/x
  3. Step 3: Cross multiply
    2,415.83x = 3,332.77 × 1,576.34
  4. Step 4: Simplify right side
    2,415.83x = 5,253,554.12
  5. Step 5: Solve for x
    x = 5,253,554.12/2,415.83
  6. Step 6: Final answer
    x = 2,174.64

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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.