Home / 7,185.24-9,915.06-4,041.96

Finding the Fourth Proportional to 7,185.24, 9,915.06 and 4,041.96

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Solution

The fourth proportional to 7,185.24, 9,915.06 and 4,041.96 is: 5,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.24 : 9,915.06 = 4,041.96 : x
  2. Step 2: Convert to fraction form
    7,185.24/9,915.06 = 4,041.96/x
  3. Step 3: Cross multiply
    7,185.24x = 9,915.06 × 4,041.96
  4. Step 4: Simplify right side
    7,185.24x = 40,076,275.92
  5. Step 5: Solve for x
    x = 40,076,275.92/7,185.24
  6. Step 6: Final answer
    x = 5,577.58

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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.