Home / 5,569.49-8,355.20-1,872.08

Finding the Fourth Proportional to 5,569.49, 8,355.20 and 1,872.08

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Solution

The fourth proportional to 5,569.49, 8,355.20 and 1,872.08 is: 2,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.49 : 8,355.20 = 1,872.08 : x
  2. Step 2: Convert to fraction form
    5,569.49/8,355.20 = 1,872.08/x
  3. Step 3: Cross multiply
    5,569.49x = 8,355.20 × 1,872.08
  4. Step 4: Simplify right side
    5,569.49x = 15,641,602.82
  5. Step 5: Solve for x
    x = 15,641,602.82/5,569.49
  6. Step 6: Final answer
    x = 2,808.44

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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.