Home / 5,482.10-7,565.49-3,123.86

Finding the Fourth Proportional to 5,482.10, 7,565.49 and 3,123.86

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Solution

The fourth proportional to 5,482.10, 7,565.49 and 3,123.86 is: 4,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.10 : 7,565.49 = 3,123.86 : x
  2. Step 2: Convert to fraction form
    5,482.10/7,565.49 = 3,123.86/x
  3. Step 3: Cross multiply
    5,482.10x = 7,565.49 × 3,123.86
  4. Step 4: Simplify right side
    5,482.10x = 23,633,531.59
  5. Step 5: Solve for x
    x = 23,633,531.59/5,482.10
  6. Step 6: Final answer
    x = 4,311.04

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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.