Home / 5,340.82-7,373.80-4,780.32

Finding the Fourth Proportional to 5,340.82, 7,373.80 and 4,780.32

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Solution

The fourth proportional to 5,340.82, 7,373.80 and 4,780.32 is: 6,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.82 : 7,373.80 = 4,780.32 : x
  2. Step 2: Convert to fraction form
    5,340.82/7,373.80 = 4,780.32/x
  3. Step 3: Cross multiply
    5,340.82x = 7,373.80 × 4,780.32
  4. Step 4: Simplify right side
    5,340.82x = 35,249,123.62
  5. Step 5: Solve for x
    x = 35,249,123.62/5,340.82
  6. Step 6: Final answer
    x = 6,599.95

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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.