Home / 4,905.03-7,358.30-1,785.82

Finding the Fourth Proportional to 4,905.03, 7,358.30 and 1,785.82

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Solution

The fourth proportional to 4,905.03, 7,358.30 and 1,785.82 is: 2,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.03 : 7,358.30 = 1,785.82 : x
  2. Step 2: Convert to fraction form
    4,905.03/7,358.30 = 1,785.82/x
  3. Step 3: Cross multiply
    4,905.03x = 7,358.30 × 1,785.82
  4. Step 4: Simplify right side
    4,905.03x = 13,140,599.31
  5. Step 5: Solve for x
    x = 13,140,599.31/4,905.03
  6. Step 6: Final answer
    x = 2,679.00

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1.5x scale

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.