Home / 4,225.92-5,835.12-2,981.76

Finding the Fourth Proportional to 4,225.92, 5,835.12 and 2,981.76

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Solution

The fourth proportional to 4,225.92, 5,835.12 and 2,981.76 is: 4,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.92 : 5,835.12 = 2,981.76 : x
  2. Step 2: Convert to fraction form
    4,225.92/5,835.12 = 2,981.76/x
  3. Step 3: Cross multiply
    4,225.92x = 5,835.12 × 2,981.76
  4. Step 4: Simplify right side
    4,225.92x = 17,398,927.41
  5. Step 5: Solve for x
    x = 17,398,927.41/4,225.92
  6. Step 6: Final answer
    x = 4,117.19

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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.