Home / 4,981.25-6,871.54-4,038.11

Finding the Fourth Proportional to 4,981.25, 6,871.54 and 4,038.11

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Solution

The fourth proportional to 4,981.25, 6,871.54 and 4,038.11 is: 5,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.25 : 6,871.54 = 4,038.11 : x
  2. Step 2: Convert to fraction form
    4,981.25/6,871.54 = 4,038.11/x
  3. Step 3: Cross multiply
    4,981.25x = 6,871.54 × 4,038.11
  4. Step 4: Simplify right side
    4,981.25x = 27,747,979.84
  5. Step 5: Solve for x
    x = 27,747,979.84/4,981.25
  6. Step 6: Final answer
    x = 5,570.49

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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.