Home / 2,955.08-4,432.66-1,415.72

Finding the Fourth Proportional to 2,955.08, 4,432.66 and 1,415.72

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Solution

The fourth proportional to 2,955.08, 4,432.66 and 1,415.72 is: 2,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.08 : 4,432.66 = 1,415.72 : x
  2. Step 2: Convert to fraction form
    2,955.08/4,432.66 = 1,415.72/x
  3. Step 3: Cross multiply
    2,955.08x = 4,432.66 × 1,415.72
  4. Step 4: Simplify right side
    2,955.08x = 6,275,405.42
  5. Step 5: Solve for x
    x = 6,275,405.42/2,955.08
  6. Step 6: Final answer
    x = 2,123.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.