Home / 2,955.12-4,432.67-2,774.69

Finding the Fourth Proportional to 2,955.12, 4,432.67 and 2,774.69

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Solution

The fourth proportional to 2,955.12, 4,432.67 and 2,774.69 is: 4,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.12 : 4,432.67 = 2,774.69 : x
  2. Step 2: Convert to fraction form
    2,955.12/4,432.67 = 2,774.69/x
  3. Step 3: Cross multiply
    2,955.12x = 4,432.67 × 2,774.69
  4. Step 4: Simplify right side
    2,955.12x = 12,299,291.72
  5. Step 5: Solve for x
    x = 12,299,291.72/2,955.12
  6. Step 6: Final answer
    x = 4,162.03

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1.5x scale

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.