Home / 2,973.12-4,457.30-1,412.34

Finding the Fourth Proportional to 2,973.12, 4,457.30 and 1,412.34

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Solution

The fourth proportional to 2,973.12, 4,457.30 and 1,412.34 is: 2,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.12 : 4,457.30 = 1,412.34 : x
  2. Step 2: Convert to fraction form
    2,973.12/4,457.30 = 1,412.34/x
  3. Step 3: Cross multiply
    2,973.12x = 4,457.30 × 1,412.34
  4. Step 4: Simplify right side
    2,973.12x = 6,295,223.08
  5. Step 5: Solve for x
    x = 6,295,223.08/2,973.12
  6. Step 6: Final answer
    x = 2,117.38

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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.