Home / 5,088.34-7,631.90-2,312.08

Finding the Fourth Proportional to 5,088.34, 7,631.90 and 2,312.08

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Solution

The fourth proportional to 5,088.34, 7,631.90 and 2,312.08 is: 3,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.34 : 7,631.90 = 2,312.08 : x
  2. Step 2: Convert to fraction form
    5,088.34/7,631.90 = 2,312.08/x
  3. Step 3: Cross multiply
    5,088.34x = 7,631.90 × 2,312.08
  4. Step 4: Simplify right side
    5,088.34x = 17,645,563.35
  5. Step 5: Solve for x
    x = 17,645,563.35/5,088.34
  6. Step 6: Final answer
    x = 3,467.84

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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.