Home / 5,475.72-7,557.84-4,590.12

Finding the Fourth Proportional to 5,475.72, 7,557.84 and 4,590.12

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Solution

The fourth proportional to 5,475.72, 7,557.84 and 4,590.12 is: 6,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.72 : 7,557.84 = 4,590.12 : x
  2. Step 2: Convert to fraction form
    5,475.72/7,557.84 = 4,590.12/x
  3. Step 3: Cross multiply
    5,475.72x = 7,557.84 × 4,590.12
  4. Step 4: Simplify right side
    5,475.72x = 34,691,392.54
  5. Step 5: Solve for x
    x = 34,691,392.54/5,475.72
  6. Step 6: Final answer
    x = 6,335.49

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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.