Home / 4,998.40-6,898.63-2,903.74

Finding the Fourth Proportional to 4,998.40, 6,898.63 and 2,903.74

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Solution

The fourth proportional to 4,998.40, 6,898.63 and 2,903.74 is: 4,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.40 : 6,898.63 = 2,903.74 : x
  2. Step 2: Convert to fraction form
    4,998.40/6,898.63 = 2,903.74/x
  3. Step 3: Cross multiply
    4,998.40x = 6,898.63 × 2,903.74
  4. Step 4: Simplify right side
    4,998.40x = 20,031,786.12
  5. Step 5: Solve for x
    x = 20,031,786.12/4,998.40
  6. Step 6: Final answer
    x = 4,007.64

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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.