Home / 5,101.02-7,038.73-2,862.81

Finding the Fourth Proportional to 5,101.02, 7,038.73 and 2,862.81

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Solution

The fourth proportional to 5,101.02, 7,038.73 and 2,862.81 is: 3,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.02 : 7,038.73 = 2,862.81 : x
  2. Step 2: Convert to fraction form
    5,101.02/7,038.73 = 2,862.81/x
  3. Step 3: Cross multiply
    5,101.02x = 7,038.73 × 2,862.81
  4. Step 4: Simplify right side
    5,101.02x = 20,150,546.63
  5. Step 5: Solve for x
    x = 20,150,546.63/5,101.02
  6. Step 6: Final answer
    x = 3,950.30

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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.