Home / 2,957.04-4,080.24-2,490.48

Finding the Fourth Proportional to 2,957.04, 4,080.24 and 2,490.48

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Solution

The fourth proportional to 2,957.04, 4,080.24 and 2,490.48 is: 3,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.04 : 4,080.24 = 2,490.48 : x
  2. Step 2: Convert to fraction form
    2,957.04/4,080.24 = 2,490.48/x
  3. Step 3: Cross multiply
    2,957.04x = 4,080.24 × 2,490.48
  4. Step 4: Simplify right side
    2,957.04x = 10,161,756.12
  5. Step 5: Solve for x
    x = 10,161,756.12/2,957.04
  6. Step 6: Final answer
    x = 3,436.46

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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.