Home / 4,743.02-7,114.53-1,664.30

Finding the Fourth Proportional to 4,743.02, 7,114.53 and 1,664.30

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Solution

The fourth proportional to 4,743.02, 7,114.53 and 1,664.30 is: 2,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.02 : 7,114.53 = 1,664.30 : x
  2. Step 2: Convert to fraction form
    4,743.02/7,114.53 = 1,664.30/x
  3. Step 3: Cross multiply
    4,743.02x = 7,114.53 × 1,664.30
  4. Step 4: Simplify right side
    4,743.02x = 11,840,712.28
  5. Step 5: Solve for x
    x = 11,840,712.28/4,743.02
  6. Step 6: Final answer
    x = 2,496.45

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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.