Home / 7,047.52-10,571.28-2,666.32

Finding the Fourth Proportional to 7,047.52, 10,571.28 and 2,666.32

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Solution

The fourth proportional to 7,047.52, 10,571.28 and 2,666.32 is: 3,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.52 : 10,571.28 = 2,666.32 : x
  2. Step 2: Convert to fraction form
    7,047.52/10,571.28 = 2,666.32/x
  3. Step 3: Cross multiply
    7,047.52x = 10,571.28 × 2,666.32
  4. Step 4: Simplify right side
    7,047.52x = 28,186,415.29
  5. Step 5: Solve for x
    x = 28,186,415.29/7,047.52
  6. Step 6: Final answer
    x = 3,999.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.