Home / 4,123.02-5,689.53-2,354.79

Finding the Fourth Proportional to 4,123.02, 5,689.53 and 2,354.79

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Solution

The fourth proportional to 4,123.02, 5,689.53 and 2,354.79 is: 3,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.02 : 5,689.53 = 2,354.79 : x
  2. Step 2: Convert to fraction form
    4,123.02/5,689.53 = 2,354.79/x
  3. Step 3: Cross multiply
    4,123.02x = 5,689.53 × 2,354.79
  4. Step 4: Simplify right side
    4,123.02x = 13,397,648.35
  5. Step 5: Solve for x
    x = 13,397,648.35/4,123.02
  6. Step 6: Final answer
    x = 3,249.47

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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.