Home / 4,892.16-7,338.57-1,970.46

Finding the Fourth Proportional to 4,892.16, 7,338.57 and 1,970.46

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Solution

The fourth proportional to 4,892.16, 7,338.57 and 1,970.46 is: 2,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.16 : 7,338.57 = 1,970.46 : x
  2. Step 2: Convert to fraction form
    4,892.16/7,338.57 = 1,970.46/x
  3. Step 3: Cross multiply
    4,892.16x = 7,338.57 × 1,970.46
  4. Step 4: Simplify right side
    4,892.16x = 14,460,358.64
  5. Step 5: Solve for x
    x = 14,460,358.64/4,892.16
  6. Step 6: Final answer
    x = 2,955.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.