Home / 5,390.73-7,438.80-3,032.41

Finding the Fourth Proportional to 5,390.73, 7,438.80 and 3,032.41

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Solution

The fourth proportional to 5,390.73, 7,438.80 and 3,032.41 is: 4,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.73 : 7,438.80 = 3,032.41 : x
  2. Step 2: Convert to fraction form
    5,390.73/7,438.80 = 3,032.41/x
  3. Step 3: Cross multiply
    5,390.73x = 7,438.80 × 3,032.41
  4. Step 4: Simplify right side
    5,390.73x = 22,557,491.51
  5. Step 5: Solve for x
    x = 22,557,491.51/5,390.73
  6. Step 6: Final answer
    x = 4,184.50

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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.