Home / 2,103.02-2,901.15-1,356.60

Finding the Fourth Proportional to 2,103.02, 2,901.15 and 1,356.60

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Solution

The fourth proportional to 2,103.02, 2,901.15 and 1,356.60 is: 1,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.02 : 2,901.15 = 1,356.60 : x
  2. Step 2: Convert to fraction form
    2,103.02/2,901.15 = 1,356.60/x
  3. Step 3: Cross multiply
    2,103.02x = 2,901.15 × 1,356.60
  4. Step 4: Simplify right side
    2,103.02x = 3,935,700.09
  5. Step 5: Solve for x
    x = 3,935,700.09/2,103.02
  6. Step 6: Final answer
    x = 1,871.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.