Home / 7,322.48-10,105.02-3,965.29

Finding the Fourth Proportional to 7,322.48, 10,105.02 and 3,965.29

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Solution

The fourth proportional to 7,322.48, 10,105.02 and 3,965.29 is: 5,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.48 : 10,105.02 = 3,965.29 : x
  2. Step 2: Convert to fraction form
    7,322.48/10,105.02 = 3,965.29/x
  3. Step 3: Cross multiply
    7,322.48x = 10,105.02 × 3,965.29
  4. Step 4: Simplify right side
    7,322.48x = 40,069,334.76
  5. Step 5: Solve for x
    x = 40,069,334.76/7,322.48
  6. Step 6: Final answer
    x = 5,472.10

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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.