Home / 5,242.93-7,235.08-2,885.02

Finding the Fourth Proportional to 5,242.93, 7,235.08 and 2,885.02

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Solution

The fourth proportional to 5,242.93, 7,235.08 and 2,885.02 is: 3,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.93 : 7,235.08 = 2,885.02 : x
  2. Step 2: Convert to fraction form
    5,242.93/7,235.08 = 2,885.02/x
  3. Step 3: Cross multiply
    5,242.93x = 7,235.08 × 2,885.02
  4. Step 4: Simplify right side
    5,242.93x = 20,873,350.50
  5. Step 5: Solve for x
    x = 20,873,350.50/5,242.93
  6. Step 6: Final answer
    x = 3,981.24

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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.