Home / 5,242.93-7,235.24-2,885.22

Finding the Fourth Proportional to 5,242.93, 7,235.24 and 2,885.22

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Solution

The fourth proportional to 5,242.93, 7,235.24 and 2,885.22 is: 3,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.93 : 7,235.24 = 2,885.22 : x
  2. Step 2: Convert to fraction form
    5,242.93/7,235.24 = 2,885.22/x
  3. Step 3: Cross multiply
    5,242.93x = 7,235.24 × 2,885.22
  4. Step 4: Simplify right side
    5,242.93x = 20,875,244.73
  5. Step 5: Solve for x
    x = 20,875,244.73/5,242.93
  6. Step 6: Final answer
    x = 3,981.60

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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.