Home / 2,957.28-4,437.04-1,109.22

Finding the Fourth Proportional to 2,957.28, 4,437.04 and 1,109.22

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Solution

The fourth proportional to 2,957.28, 4,437.04 and 1,109.22 is: 1,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.28 : 4,437.04 = 1,109.22 : x
  2. Step 2: Convert to fraction form
    2,957.28/4,437.04 = 1,109.22/x
  3. Step 3: Cross multiply
    2,957.28x = 4,437.04 × 1,109.22
  4. Step 4: Simplify right side
    2,957.28x = 4,921,653.51
  5. Step 5: Solve for x
    x = 4,921,653.51/2,957.28
  6. Step 6: Final answer
    x = 1,664.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.