Home / 5,390.46-7,438.80-3,032.59

Finding the Fourth Proportional to 5,390.46, 7,438.80 and 3,032.59

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Solution

The fourth proportional to 5,390.46, 7,438.80 and 3,032.59 is: 4,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.46 : 7,438.80 = 3,032.59 : x
  2. Step 2: Convert to fraction form
    5,390.46/7,438.80 = 3,032.59/x
  3. Step 3: Cross multiply
    5,390.46x = 7,438.80 × 3,032.59
  4. Step 4: Simplify right side
    5,390.46x = 22,558,830.49
  5. Step 5: Solve for x
    x = 22,558,830.49/5,390.46
  6. Step 6: Final answer
    x = 4,184.95

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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.