Home / 7,447.02-10,277.13-4,090.02

Finding the Fourth Proportional to 7,447.02, 10,277.13 and 4,090.02

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Solution

The fourth proportional to 7,447.02, 10,277.13 and 4,090.02 is: 5,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.02 : 10,277.13 = 4,090.02 : x
  2. Step 2: Convert to fraction form
    7,447.02/10,277.13 = 4,090.02/x
  3. Step 3: Cross multiply
    7,447.02x = 10,277.13 × 4,090.02
  4. Step 4: Simplify right side
    7,447.02x = 42,033,667.24
  5. Step 5: Solve for x
    x = 42,033,667.24/7,447.02
  6. Step 6: Final answer
    x = 5,644.36

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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.