Home / 5,388.87-8,043.81-4,993.10

Finding the Fourth Proportional to 5,388.87, 8,043.81 and 4,993.10

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Solution

The fourth proportional to 5,388.87, 8,043.81 and 4,993.10 is: 7,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.87 : 8,043.81 = 4,993.10 : x
  2. Step 2: Convert to fraction form
    5,388.87/8,043.81 = 4,993.10/x
  3. Step 3: Cross multiply
    5,388.87x = 8,043.81 × 4,993.10
  4. Step 4: Simplify right side
    5,388.87x = 40,163,547.71
  5. Step 5: Solve for x
    x = 40,163,547.71/5,388.87
  6. Step 6: Final answer
    x = 7,453.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.