Home / 5,289.85-7,283.37-4,491.51

Finding the Fourth Proportional to 5,289.85, 7,283.37 and 4,491.51

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Solution

The fourth proportional to 5,289.85, 7,283.37 and 4,491.51 is: 6,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.85 : 7,283.37 = 4,491.51 : x
  2. Step 2: Convert to fraction form
    5,289.85/7,283.37 = 4,491.51/x
  3. Step 3: Cross multiply
    5,289.85x = 7,283.37 × 4,491.51
  4. Step 4: Simplify right side
    5,289.85x = 32,713,316.59
  5. Step 5: Solve for x
    x = 32,713,316.59/5,289.85
  6. Step 6: Final answer
    x = 6,184.17

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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.