Home / 5,595.28-7,721.87-3,358.40

Finding the Fourth Proportional to 5,595.28, 7,721.87 and 3,358.40

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Solution

The fourth proportional to 5,595.28, 7,721.87 and 3,358.40 is: 4,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.28 : 7,721.87 = 3,358.40 : x
  2. Step 2: Convert to fraction form
    5,595.28/7,721.87 = 3,358.40/x
  3. Step 3: Cross multiply
    5,595.28x = 7,721.87 × 3,358.40
  4. Step 4: Simplify right side
    5,595.28x = 25,933,072.81
  5. Step 5: Solve for x
    x = 25,933,072.81/5,595.28
  6. Step 6: Final answer
    x = 4,634.81

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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.