Home / 3,555.18-4,901.79-2,923.50

Finding the Fourth Proportional to 3,555.18, 4,901.79 and 2,923.50

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Solution

The fourth proportional to 3,555.18, 4,901.79 and 2,923.50 is: 4,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.18 : 4,901.79 = 2,923.50 : x
  2. Step 2: Convert to fraction form
    3,555.18/4,901.79 = 2,923.50/x
  3. Step 3: Cross multiply
    3,555.18x = 4,901.79 × 2,923.50
  4. Step 4: Simplify right side
    3,555.18x = 14,330,383.07
  5. Step 5: Solve for x
    x = 14,330,383.07/3,555.18
  6. Step 6: Final answer
    x = 4,030.85

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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.