Home / 5,053.28-6,972.36-2,957

Finding the Fourth Proportional to 5,053.28, 6,972.36 and 2,957

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Solution

The fourth proportional to 5,053.28, 6,972.36 and 2,957 is: 4,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.28 : 6,972.36 = 2,957 : x
  2. Step 2: Convert to fraction form
    5,053.28/6,972.36 = 2,957/x
  3. Step 3: Cross multiply
    5,053.28x = 6,972.36 × 2,957
  4. Step 4: Simplify right side
    5,053.28x = 20,617,268.52
  5. Step 5: Solve for x
    x = 20,617,268.52/5,053.28
  6. Step 6: Final answer
    x = 4,079.98

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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.