Home / 5,232.40-7,856.70-3,045.40

Finding the Fourth Proportional to 5,232.40, 7,856.70 and 3,045.40

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Solution

The fourth proportional to 5,232.40, 7,856.70 and 3,045.40 is: 4,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.40 : 7,856.70 = 3,045.40 : x
  2. Step 2: Convert to fraction form
    5,232.40/7,856.70 = 3,045.40/x
  3. Step 3: Cross multiply
    5,232.40x = 7,856.70 × 3,045.40
  4. Step 4: Simplify right side
    5,232.40x = 23,926,794.18
  5. Step 5: Solve for x
    x = 23,926,794.18/5,232.40
  6. Step 6: Final answer
    x = 4,572.81

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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.