Home / 3,674.02-5,509.47-1,207.48

Finding the Fourth Proportional to 3,674.02, 5,509.47 and 1,207.48

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Solution

The fourth proportional to 3,674.02, 5,509.47 and 1,207.48 is: 1,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.02 : 5,509.47 = 1,207.48 : x
  2. Step 2: Convert to fraction form
    3,674.02/5,509.47 = 1,207.48/x
  3. Step 3: Cross multiply
    3,674.02x = 5,509.47 × 1,207.48
  4. Step 4: Simplify right side
    3,674.02x = 6,652,574.84
  5. Step 5: Solve for x
    x = 6,652,574.84/3,674.02
  6. Step 6: Final answer
    x = 1,810.71

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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.