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Finding the Fourth Proportional to 2,973.94, 4,457.95 and 1,411.19

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Solution

The fourth proportional to 2,973.94, 4,457.95 and 1,411.19 is: 2,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.94 : 4,457.95 = 1,411.19 : x
  2. Step 2: Convert to fraction form
    2,973.94/4,457.95 = 1,411.19/x
  3. Step 3: Cross multiply
    2,973.94x = 4,457.95 × 1,411.19
  4. Step 4: Simplify right side
    2,973.94x = 6,291,014.46
  5. Step 5: Solve for x
    x = 6,291,014.46/2,973.94
  6. Step 6: Final answer
    x = 2,115.38

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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.