Home / 4,790.40-6,610.70-2,665.93

Finding the Fourth Proportional to 4,790.40, 6,610.70 and 2,665.93

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Solution

The fourth proportional to 4,790.40, 6,610.70 and 2,665.93 is: 3,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.40 : 6,610.70 = 2,665.93 : x
  2. Step 2: Convert to fraction form
    4,790.40/6,610.70 = 2,665.93/x
  3. Step 3: Cross multiply
    4,790.40x = 6,610.70 × 2,665.93
  4. Step 4: Simplify right side
    4,790.40x = 17,623,663.45
  5. Step 5: Solve for x
    x = 17,623,663.45/4,790.40
  6. Step 6: Final answer
    x = 3,678.95

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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.