Home / 4,744.85-7,117.61-1,457.51

Finding the Fourth Proportional to 4,744.85, 7,117.61 and 1,457.51

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Solution

The fourth proportional to 4,744.85, 7,117.61 and 1,457.51 is: 2,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.85 : 7,117.61 = 1,457.51 : x
  2. Step 2: Convert to fraction form
    4,744.85/7,117.61 = 1,457.51/x
  3. Step 3: Cross multiply
    4,744.85x = 7,117.61 × 1,457.51
  4. Step 4: Simplify right side
    4,744.85x = 10,373,944.88
  5. Step 5: Solve for x
    x = 10,373,944.88/4,744.85
  6. Step 6: Final answer
    x = 2,186.36

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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.