Home / 7,109.46-9,809.01-4,591.68

Finding the Fourth Proportional to 7,109.46, 9,809.01 and 4,591.68

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Solution

The fourth proportional to 7,109.46, 9,809.01 and 4,591.68 is: 6,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.46 : 9,809.01 = 4,591.68 : x
  2. Step 2: Convert to fraction form
    7,109.46/9,809.01 = 4,591.68/x
  3. Step 3: Cross multiply
    7,109.46x = 9,809.01 × 4,591.68
  4. Step 4: Simplify right side
    7,109.46x = 45,039,835.04
  5. Step 5: Solve for x
    x = 45,039,835.04/7,109.46
  6. Step 6: Final answer
    x = 6,335.20

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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.