Home / 5,204.51-7,182.40-2,846.65

Finding the Fourth Proportional to 5,204.51, 7,182.40 and 2,846.65

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Solution

The fourth proportional to 5,204.51, 7,182.40 and 2,846.65 is: 3,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.51 : 7,182.40 = 2,846.65 : x
  2. Step 2: Convert to fraction form
    5,204.51/7,182.40 = 2,846.65/x
  3. Step 3: Cross multiply
    5,204.51x = 7,182.40 × 2,846.65
  4. Step 4: Simplify right side
    5,204.51x = 20,445,780.82
  5. Step 5: Solve for x
    x = 20,445,780.82/5,204.51
  6. Step 6: Final answer
    x = 3,928.47

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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.