Home / 5,218.25-7,858.63-4,751.69

Finding the Fourth Proportional to 5,218.25, 7,858.63 and 4,751.69

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Solution

The fourth proportional to 5,218.25, 7,858.63 and 4,751.69 is: 7,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.25 : 7,858.63 = 4,751.69 : x
  2. Step 2: Convert to fraction form
    5,218.25/7,858.63 = 4,751.69/x
  3. Step 3: Cross multiply
    5,218.25x = 7,858.63 × 4,751.69
  4. Step 4: Simplify right side
    5,218.25x = 37,341,773.58
  5. Step 5: Solve for x
    x = 37,341,773.58/5,218.25
  6. Step 6: Final answer
    x = 7,156.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.