Home / 7,527.25-10,387.61-4,215.25

Finding the Fourth Proportional to 7,527.25, 10,387.61 and 4,215.25

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Solution

The fourth proportional to 7,527.25, 10,387.61 and 4,215.25 is: 5,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.25 : 10,387.61 = 4,215.25 : x
  2. Step 2: Convert to fraction form
    7,527.25/10,387.61 = 4,215.25/x
  3. Step 3: Cross multiply
    7,527.25x = 10,387.61 × 4,215.25
  4. Step 4: Simplify right side
    7,527.25x = 43,786,373.05
  5. Step 5: Solve for x
    x = 43,786,373.05/7,527.25
  6. Step 6: Final answer
    x = 5,817.05

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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.