Home / 5,173.24-7,139.05-2,935.55

Finding the Fourth Proportional to 5,173.24, 7,139.05 and 2,935.55

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Solution

The fourth proportional to 5,173.24, 7,139.05 and 2,935.55 is: 4,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.24 : 7,139.05 = 2,935.55 : x
  2. Step 2: Convert to fraction form
    5,173.24/7,139.05 = 2,935.55/x
  3. Step 3: Cross multiply
    5,173.24x = 7,139.05 × 2,935.55
  4. Step 4: Simplify right side
    5,173.24x = 20,957,038.23
  5. Step 5: Solve for x
    x = 20,957,038.23/5,173.24
  6. Step 6: Final answer
    x = 4,051.05

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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.