Home / 4,976.48-6,867.24-2,988.14

Finding the Fourth Proportional to 4,976.48, 6,867.24 and 2,988.14

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Solution

The fourth proportional to 4,976.48, 6,867.24 and 2,988.14 is: 4,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.48 : 6,867.24 = 2,988.14 : x
  2. Step 2: Convert to fraction form
    4,976.48/6,867.24 = 2,988.14/x
  3. Step 3: Cross multiply
    4,976.48x = 6,867.24 × 2,988.14
  4. Step 4: Simplify right side
    4,976.48x = 20,520,274.53
  5. Step 5: Solve for x
    x = 20,520,274.53/4,976.48
  6. Step 6: Final answer
    x = 4,123.45

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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.