Home / 5,476.10-7,557.04-3,118.38

Finding the Fourth Proportional to 5,476.10, 7,557.04 and 3,118.38

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Solution

The fourth proportional to 5,476.10, 7,557.04 and 3,118.38 is: 4,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.10 : 7,557.04 = 3,118.38 : x
  2. Step 2: Convert to fraction form
    5,476.10/7,557.04 = 3,118.38/x
  3. Step 3: Cross multiply
    5,476.10x = 7,557.04 × 3,118.38
  4. Step 4: Simplify right side
    5,476.10x = 23,565,722.40
  5. Step 5: Solve for x
    x = 23,565,722.40/5,476.10
  6. Step 6: Final answer
    x = 4,303.38

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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.