Home / 2,966.40-4,469.64-2,457.72

Finding the Fourth Proportional to 2,966.40, 4,469.64 and 2,457.72

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Solution

The fourth proportional to 2,966.40, 4,469.64 and 2,457.72 is: 3,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.40 : 4,469.64 = 2,457.72 : x
  2. Step 2: Convert to fraction form
    2,966.40/4,469.64 = 2,457.72/x
  3. Step 3: Cross multiply
    2,966.40x = 4,469.64 × 2,457.72
  4. Step 4: Simplify right side
    2,966.40x = 10,985,123.62
  5. Step 5: Solve for x
    x = 10,985,123.62/2,966.40
  6. Step 6: Final answer
    x = 3,703.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.