Home / 5,303.18-7,952.88-2,015.40

Finding the Fourth Proportional to 5,303.18, 7,952.88 and 2,015.40

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Solution

The fourth proportional to 5,303.18, 7,952.88 and 2,015.40 is: 3,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.18 : 7,952.88 = 2,015.40 : x
  2. Step 2: Convert to fraction form
    5,303.18/7,952.88 = 2,015.40/x
  3. Step 3: Cross multiply
    5,303.18x = 7,952.88 × 2,015.40
  4. Step 4: Simplify right side
    5,303.18x = 16,028,234.35
  5. Step 5: Solve for x
    x = 16,028,234.35/5,303.18
  6. Step 6: Final answer
    x = 3,022.38

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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.