Home / 5,247.42-7,242.86-3,010.47

Finding the Fourth Proportional to 5,247.42, 7,242.86 and 3,010.47

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Solution

The fourth proportional to 5,247.42, 7,242.86 and 3,010.47 is: 4,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.42 : 7,242.86 = 3,010.47 : x
  2. Step 2: Convert to fraction form
    5,247.42/7,242.86 = 3,010.47/x
  3. Step 3: Cross multiply
    5,247.42x = 7,242.86 × 3,010.47
  4. Step 4: Simplify right side
    5,247.42x = 21,804,420.27
  5. Step 5: Solve for x
    x = 21,804,420.27/5,247.42
  6. Step 6: Final answer
    x = 4,155.26

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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.