Home / 4,970.39-6,859.31-2,732.47

Finding the Fourth Proportional to 4,970.39, 6,859.31 and 2,732.47

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Solution

The fourth proportional to 4,970.39, 6,859.31 and 2,732.47 is: 3,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.39 : 6,859.31 = 2,732.47 : x
  2. Step 2: Convert to fraction form
    4,970.39/6,859.31 = 2,732.47/x
  3. Step 3: Cross multiply
    4,970.39x = 6,859.31 × 2,732.47
  4. Step 4: Simplify right side
    4,970.39x = 18,742,835.67
  5. Step 5: Solve for x
    x = 18,742,835.67/4,970.39
  6. Step 6: Final answer
    x = 3,770.90

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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.