Home / 5,590.55-7,716.23-3,702.20

Finding the Fourth Proportional to 5,590.55, 7,716.23 and 3,702.20

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Solution

The fourth proportional to 5,590.55, 7,716.23 and 3,702.20 is: 5,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.55 : 7,716.23 = 3,702.20 : x
  2. Step 2: Convert to fraction form
    5,590.55/7,716.23 = 3,702.20/x
  3. Step 3: Cross multiply
    5,590.55x = 7,716.23 × 3,702.20
  4. Step 4: Simplify right side
    5,590.55x = 28,566,969.61
  5. Step 5: Solve for x
    x = 28,566,969.61/5,590.55
  6. Step 6: Final answer
    x = 5,109.87

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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.