Home / 5,022.27-6,931.07-2,898.18

Finding the Fourth Proportional to 5,022.27, 6,931.07 and 2,898.18

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Solution

The fourth proportional to 5,022.27, 6,931.07 and 2,898.18 is: 3,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.27 : 6,931.07 = 2,898.18 : x
  2. Step 2: Convert to fraction form
    5,022.27/6,931.07 = 2,898.18/x
  3. Step 3: Cross multiply
    5,022.27x = 6,931.07 × 2,898.18
  4. Step 4: Simplify right side
    5,022.27x = 20,087,484.83
  5. Step 5: Solve for x
    x = 20,087,484.83/5,022.27
  6. Step 6: Final answer
    x = 3,999.68

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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.