Home / 2,853.02-3,934.77-1,857.53

Finding the Fourth Proportional to 2,853.02, 3,934.77 and 1,857.53

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Solution

The fourth proportional to 2,853.02, 3,934.77 and 1,857.53 is: 2,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.02 : 3,934.77 = 1,857.53 : x
  2. Step 2: Convert to fraction form
    2,853.02/3,934.77 = 1,857.53/x
  3. Step 3: Cross multiply
    2,853.02x = 3,934.77 × 1,857.53
  4. Step 4: Simplify right side
    2,853.02x = 7,308,953.32
  5. Step 5: Solve for x
    x = 7,308,953.32/2,853.02
  6. Step 6: Final answer
    x = 2,561.83

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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.