Home / 5,109.16-7,051.46-4,775.65

Finding the Fourth Proportional to 5,109.16, 7,051.46 and 4,775.65

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Solution

The fourth proportional to 5,109.16, 7,051.46 and 4,775.65 is: 6,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.16 : 7,051.46 = 4,775.65 : x
  2. Step 2: Convert to fraction form
    5,109.16/7,051.46 = 4,775.65/x
  3. Step 3: Cross multiply
    5,109.16x = 7,051.46 × 4,775.65
  4. Step 4: Simplify right side
    5,109.16x = 33,675,304.95
  5. Step 5: Solve for x
    x = 33,675,304.95/5,109.16
  6. Step 6: Final answer
    x = 6,591.16

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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.