Home / 2,887.02-3,984.28-1,610.98

Finding the Fourth Proportional to 2,887.02, 3,984.28 and 1,610.98

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Solution

The fourth proportional to 2,887.02, 3,984.28 and 1,610.98 is: 2,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.02 : 3,984.28 = 1,610.98 : x
  2. Step 2: Convert to fraction form
    2,887.02/3,984.28 = 1,610.98/x
  3. Step 3: Cross multiply
    2,887.02x = 3,984.28 × 1,610.98
  4. Step 4: Simplify right side
    2,887.02x = 6,418,595.39
  5. Step 5: Solve for x
    x = 6,418,595.39/2,887.02
  6. Step 6: Final answer
    x = 2,223.26

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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.