Home / 5,362.40-8,040.34-2,400.30

Finding the Fourth Proportional to 5,362.40, 8,040.34 and 2,400.30

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Solution

The fourth proportional to 5,362.40, 8,040.34 and 2,400.30 is: 3,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.40 : 8,040.34 = 2,400.30 : x
  2. Step 2: Convert to fraction form
    5,362.40/8,040.34 = 2,400.30/x
  3. Step 3: Cross multiply
    5,362.40x = 8,040.34 × 2,400.30
  4. Step 4: Simplify right side
    5,362.40x = 19,299,228.10
  5. Step 5: Solve for x
    x = 19,299,228.10/5,362.40
  6. Step 6: Final answer
    x = 3,598.99

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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.