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Finding the Fourth Proportional to 2,957.04, 4,053.18 and 2,916.12

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Solution

The fourth proportional to 2,957.04, 4,053.18 and 2,916.12 is: 3,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.04 : 4,053.18 = 2,916.12 : x
  2. Step 2: Convert to fraction form
    2,957.04/4,053.18 = 2,916.12/x
  3. Step 3: Cross multiply
    2,957.04x = 4,053.18 × 2,916.12
  4. Step 4: Simplify right side
    2,957.04x = 11,819,559.26
  5. Step 5: Solve for x
    x = 11,819,559.26/2,957.04
  6. Step 6: Final answer
    x = 3,997.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.