Home / 4,629.02-6,943.47-1,119

Finding the Fourth Proportional to 4,629.02, 6,943.47 and 1,119

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Solution

The fourth proportional to 4,629.02, 6,943.47 and 1,119 is: 1,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.02 : 6,943.47 = 1,119 : x
  2. Step 2: Convert to fraction form
    4,629.02/6,943.47 = 1,119/x
  3. Step 3: Cross multiply
    4,629.02x = 6,943.47 × 1,119
  4. Step 4: Simplify right side
    4,629.02x = 7,769,742.93
  5. Step 5: Solve for x
    x = 7,769,742.93/4,629.02
  6. Step 6: Final answer
    x = 1,678.49

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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.