Home / 4,975.02-6,865.67-2,851.22

Finding the Fourth Proportional to 4,975.02, 6,865.67 and 2,851.22

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Solution

The fourth proportional to 4,975.02, 6,865.67 and 2,851.22 is: 3,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.02 : 6,865.67 = 2,851.22 : x
  2. Step 2: Convert to fraction form
    4,975.02/6,865.67 = 2,851.22/x
  3. Step 3: Cross multiply
    4,975.02x = 6,865.67 × 2,851.22
  4. Step 4: Simplify right side
    4,975.02x = 19,575,535.62
  5. Step 5: Solve for x
    x = 19,575,535.62/4,975.02
  6. Step 6: Final answer
    x = 3,934.77

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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.