Home / 1,905.34-2,857.88-606.70

Finding the Fourth Proportional to 1,905.34, 2,857.88 and 606.70

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Solution

The fourth proportional to 1,905.34, 2,857.88 and 606.70 is: 910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.34 : 2,857.88 = 606.70 : x
  2. Step 2: Convert to fraction form
    1,905.34/2,857.88 = 606.70/x
  3. Step 3: Cross multiply
    1,905.34x = 2,857.88 × 606.70
  4. Step 4: Simplify right side
    1,905.34x = 1,733,875.80
  5. Step 5: Solve for x
    x = 1,733,875.80/1,905.34
  6. Step 6: Final answer
    x = 910.01

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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.