Home / 5,243.32-7,235.52-2,885.08

Finding the Fourth Proportional to 5,243.32, 7,235.52 and 2,885.08

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Solution

The fourth proportional to 5,243.32, 7,235.52 and 2,885.08 is: 3,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.32 : 7,235.52 = 2,885.08 : x
  2. Step 2: Convert to fraction form
    5,243.32/7,235.52 = 2,885.08/x
  3. Step 3: Cross multiply
    5,243.32x = 7,235.52 × 2,885.08
  4. Step 4: Simplify right side
    5,243.32x = 20,875,054.04
  5. Step 5: Solve for x
    x = 20,875,054.04/5,243.32
  6. Step 6: Final answer
    x = 3,981.27

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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.