Home / 5,561.24-7,672.02-3,670.40

Finding the Fourth Proportional to 5,561.24, 7,672.02 and 3,670.40

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Solution

The fourth proportional to 5,561.24, 7,672.02 and 3,670.40 is: 5,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.24 : 7,672.02 = 3,670.40 : x
  2. Step 2: Convert to fraction form
    5,561.24/7,672.02 = 3,670.40/x
  3. Step 3: Cross multiply
    5,561.24x = 7,672.02 × 3,670.40
  4. Step 4: Simplify right side
    5,561.24x = 28,159,382.21
  5. Step 5: Solve for x
    x = 28,159,382.21/5,561.24
  6. Step 6: Final answer
    x = 5,063.51

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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.