Home / 5,098.92-7,036.47-2,860.75

Finding the Fourth Proportional to 5,098.92, 7,036.47 and 2,860.75

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Solution

The fourth proportional to 5,098.92, 7,036.47 and 2,860.75 is: 3,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.92 : 7,036.47 = 2,860.75 : x
  2. Step 2: Convert to fraction form
    5,098.92/7,036.47 = 2,860.75/x
  3. Step 3: Cross multiply
    5,098.92x = 7,036.47 × 2,860.75
  4. Step 4: Simplify right side
    5,098.92x = 20,129,532.07
  5. Step 5: Solve for x
    x = 20,129,532.07/5,098.92
  6. Step 6: Final answer
    x = 3,947.80

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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.