Home / 5,436.65-8,158.04-2,316.32

Finding the Fourth Proportional to 5,436.65, 8,158.04 and 2,316.32

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Solution

The fourth proportional to 5,436.65, 8,158.04 and 2,316.32 is: 3,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.65 : 8,158.04 = 2,316.32 : x
  2. Step 2: Convert to fraction form
    5,436.65/8,158.04 = 2,316.32/x
  3. Step 3: Cross multiply
    5,436.65x = 8,158.04 × 2,316.32
  4. Step 4: Simplify right side
    5,436.65x = 18,896,667.60
  5. Step 5: Solve for x
    x = 18,896,667.60/5,436.65
  6. Step 6: Final answer
    x = 3,475.79

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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.