Home / 7,572.25-10,449.59-4,215.06

Finding the Fourth Proportional to 7,572.25, 10,449.59 and 4,215.06

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Solution

The fourth proportional to 7,572.25, 10,449.59 and 4,215.06 is: 5,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.25 : 10,449.59 = 4,215.06 : x
  2. Step 2: Convert to fraction form
    7,572.25/10,449.59 = 4,215.06/x
  3. Step 3: Cross multiply
    7,572.25x = 10,449.59 × 4,215.06
  4. Step 4: Simplify right side
    7,572.25x = 44,045,659.36
  5. Step 5: Solve for x
    x = 44,045,659.36/7,572.25
  6. Step 6: Final answer
    x = 5,816.72

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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.