Home / 5,289.41-7,298.42-3,400.35

Finding the Fourth Proportional to 5,289.41, 7,298.42 and 3,400.35

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Solution

The fourth proportional to 5,289.41, 7,298.42 and 3,400.35 is: 4,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.41 : 7,298.42 = 3,400.35 : x
  2. Step 2: Convert to fraction form
    5,289.41/7,298.42 = 3,400.35/x
  3. Step 3: Cross multiply
    5,289.41x = 7,298.42 × 3,400.35
  4. Step 4: Simplify right side
    5,289.41x = 24,817,165.45
  5. Step 5: Solve for x
    x = 24,817,165.45/5,289.41
  6. Step 6: Final answer
    x = 4,691.86

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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.