Home / 4,945.91-6,823.18-2,955.47

Finding the Fourth Proportional to 4,945.91, 6,823.18 and 2,955.47

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Solution

The fourth proportional to 4,945.91, 6,823.18 and 2,955.47 is: 4,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.91 : 6,823.18 = 2,955.47 : x
  2. Step 2: Convert to fraction form
    4,945.91/6,823.18 = 2,955.47/x
  3. Step 3: Cross multiply
    4,945.91x = 6,823.18 × 2,955.47
  4. Step 4: Simplify right side
    4,945.91x = 20,165,703.79
  5. Step 5: Solve for x
    x = 20,165,703.79/4,945.91
  6. Step 6: Final answer
    x = 4,077.25

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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.