Home / 4,316.13-6,475.91-1,720.89

Finding the Fourth Proportional to 4,316.13, 6,475.91 and 1,720.89

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Solution

The fourth proportional to 4,316.13, 6,475.91 and 1,720.89 is: 2,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.13 : 6,475.91 = 1,720.89 : x
  2. Step 2: Convert to fraction form
    4,316.13/6,475.91 = 1,720.89/x
  3. Step 3: Cross multiply
    4,316.13x = 6,475.91 × 1,720.89
  4. Step 4: Simplify right side
    4,316.13x = 11,144,320.16
  5. Step 5: Solve for x
    x = 11,144,320.16/4,316.13
  6. Step 6: Final answer
    x = 2,582.02

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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.