Home / 7,420.50-10,237.45-4,903.82

Finding the Fourth Proportional to 7,420.50, 10,237.45 and 4,903.82

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Solution

The fourth proportional to 7,420.50, 10,237.45 and 4,903.82 is: 6,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.50 : 10,237.45 = 4,903.82 : x
  2. Step 2: Convert to fraction form
    7,420.50/10,237.45 = 4,903.82/x
  3. Step 3: Cross multiply
    7,420.50x = 10,237.45 × 4,903.82
  4. Step 4: Simplify right side
    7,420.50x = 50,202,612.06
  5. Step 5: Solve for x
    x = 50,202,612.06/7,420.50
  6. Step 6: Final answer
    x = 6,765.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.