Home / 2,768.02-4,152.32-1,013.56

Finding the Fourth Proportional to 2,768.02, 4,152.32 and 1,013.56

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Solution

The fourth proportional to 2,768.02, 4,152.32 and 1,013.56 is: 1,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.02 : 4,152.32 = 1,013.56 : x
  2. Step 2: Convert to fraction form
    2,768.02/4,152.32 = 1,013.56/x
  3. Step 3: Cross multiply
    2,768.02x = 4,152.32 × 1,013.56
  4. Step 4: Simplify right side
    2,768.02x = 4,208,625.46
  5. Step 5: Solve for x
    x = 4,208,625.46/2,768.02
  6. Step 6: Final answer
    x = 1,520.45

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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.