Home / 5,713.36-7,894.70-4,457.56

Finding the Fourth Proportional to 5,713.36, 7,894.70 and 4,457.56

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Solution

The fourth proportional to 5,713.36, 7,894.70 and 4,457.56 is: 6,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.36 : 7,894.70 = 4,457.56 : x
  2. Step 2: Convert to fraction form
    5,713.36/7,894.70 = 4,457.56/x
  3. Step 3: Cross multiply
    5,713.36x = 7,894.70 × 4,457.56
  4. Step 4: Simplify right side
    5,713.36x = 35,191,098.93
  5. Step 5: Solve for x
    x = 35,191,098.93/5,713.36
  6. Step 6: Final answer
    x = 6,159.44

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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.