Home / 5,865.40-8,800.87-2,945.76

Finding the Fourth Proportional to 5,865.40, 8,800.87 and 2,945.76

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Solution

The fourth proportional to 5,865.40, 8,800.87 and 2,945.76 is: 4,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.40 : 8,800.87 = 2,945.76 : x
  2. Step 2: Convert to fraction form
    5,865.40/8,800.87 = 2,945.76/x
  3. Step 3: Cross multiply
    5,865.40x = 8,800.87 × 2,945.76
  4. Step 4: Simplify right side
    5,865.40x = 25,925,250.81
  5. Step 5: Solve for x
    x = 25,925,250.81/5,865.40
  6. Step 6: Final answer
    x = 4,420.03

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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.