Home / 2,457.79-3,392.92-1,574.12

Finding the Fourth Proportional to 2,457.79, 3,392.92 and 1,574.12

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Solution

The fourth proportional to 2,457.79, 3,392.92 and 1,574.12 is: 2,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.79 : 3,392.92 = 1,574.12 : x
  2. Step 2: Convert to fraction form
    2,457.79/3,392.92 = 1,574.12/x
  3. Step 3: Cross multiply
    2,457.79x = 3,392.92 × 1,574.12
  4. Step 4: Simplify right side
    2,457.79x = 5,340,854.60
  5. Step 5: Solve for x
    x = 5,340,854.60/2,457.79
  6. Step 6: Final answer
    x = 2,173.03

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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.