Home / 5,436.29-7,499.41-3,547

Finding the Fourth Proportional to 5,436.29, 7,499.41 and 3,547

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Solution

The fourth proportional to 5,436.29, 7,499.41 and 3,547 is: 4,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.29 : 7,499.41 = 3,547 : x
  2. Step 2: Convert to fraction form
    5,436.29/7,499.41 = 3,547/x
  3. Step 3: Cross multiply
    5,436.29x = 7,499.41 × 3,547
  4. Step 4: Simplify right side
    5,436.29x = 26,600,407.27
  5. Step 5: Solve for x
    x = 26,600,407.27/5,436.29
  6. Step 6: Final answer
    x = 4,893.12

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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.