Home / 7,420.02-10,242-4,904.37

Finding the Fourth Proportional to 7,420.02, 10,242 and 4,904.37

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Solution

The fourth proportional to 7,420.02, 10,242 and 4,904.37 is: 6,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.02 : 10,242 = 4,904.37 : x
  2. Step 2: Convert to fraction form
    7,420.02/10,242 = 4,904.37/x
  3. Step 3: Cross multiply
    7,420.02x = 10,242 × 4,904.37
  4. Step 4: Simplify right side
    7,420.02x = 50,230,557.54
  5. Step 5: Solve for x
    x = 50,230,557.54/7,420.02
  6. Step 6: Final answer
    x = 6,769.60

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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.