Home / 5,491.07-7,577.37-3,253.15

Finding the Fourth Proportional to 5,491.07, 7,577.37 and 3,253.15

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Solution

The fourth proportional to 5,491.07, 7,577.37 and 3,253.15 is: 4,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.07 : 7,577.37 = 3,253.15 : x
  2. Step 2: Convert to fraction form
    5,491.07/7,577.37 = 3,253.15/x
  3. Step 3: Cross multiply
    5,491.07x = 7,577.37 × 3,253.15
  4. Step 4: Simplify right side
    5,491.07x = 24,650,302.27
  5. Step 5: Solve for x
    x = 24,650,302.27/5,491.07
  6. Step 6: Final answer
    x = 4,489.17

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Double scale
Find fourth proportional to 5,492.07, 7,578.75 and 3,254.15
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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.