Home / 4,661.56-6,428.28-2,981.08

Finding the Fourth Proportional to 4,661.56, 6,428.28 and 2,981.08

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Solution

The fourth proportional to 4,661.56, 6,428.28 and 2,981.08 is: 4,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.56 : 6,428.28 = 2,981.08 : x
  2. Step 2: Convert to fraction form
    4,661.56/6,428.28 = 2,981.08/x
  3. Step 3: Cross multiply
    4,661.56x = 6,428.28 × 2,981.08
  4. Step 4: Simplify right side
    4,661.56x = 19,163,216.94
  5. Step 5: Solve for x
    x = 19,163,216.94/4,661.56
  6. Step 6: Final answer
    x = 4,110.90

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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.