Home / 5,275.76-7,282.39-3,038.54

Finding the Fourth Proportional to 5,275.76, 7,282.39 and 3,038.54

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Solution

The fourth proportional to 5,275.76, 7,282.39 and 3,038.54 is: 4,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.76 : 7,282.39 = 3,038.54 : x
  2. Step 2: Convert to fraction form
    5,275.76/7,282.39 = 3,038.54/x
  3. Step 3: Cross multiply
    5,275.76x = 7,282.39 × 3,038.54
  4. Step 4: Simplify right side
    5,275.76x = 22,127,833.31
  5. Step 5: Solve for x
    x = 22,127,833.31/5,275.76
  6. Step 6: Final answer
    x = 4,194.25

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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.