Home / 5,252.05-7,878.04-1,356.45

Finding the Fourth Proportional to 5,252.05, 7,878.04 and 1,356.45

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Solution

The fourth proportional to 5,252.05, 7,878.04 and 1,356.45 is: 2,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.05 : 7,878.04 = 1,356.45 : x
  2. Step 2: Convert to fraction form
    5,252.05/7,878.04 = 1,356.45/x
  3. Step 3: Cross multiply
    5,252.05x = 7,878.04 × 1,356.45
  4. Step 4: Simplify right side
    5,252.05x = 10,686,167.36
  5. Step 5: Solve for x
    x = 10,686,167.36/5,252.05
  6. Step 6: Final answer
    x = 2,034.67

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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.