Home / 5,830.51-8,740.90-2,904.79

Finding the Fourth Proportional to 5,830.51, 8,740.90 and 2,904.79

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Solution

The fourth proportional to 5,830.51, 8,740.90 and 2,904.79 is: 4,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.51 : 8,740.90 = 2,904.79 : x
  2. Step 2: Convert to fraction form
    5,830.51/8,740.90 = 2,904.79/x
  3. Step 3: Cross multiply
    5,830.51x = 8,740.90 × 2,904.79
  4. Step 4: Simplify right side
    5,830.51x = 25,390,478.91
  5. Step 5: Solve for x
    x = 25,390,478.91/5,830.51
  6. Step 6: Final answer
    x = 4,354.76

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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.