Home / 7,582.55-11,368.65-3,881.76

Finding the Fourth Proportional to 7,582.55, 11,368.65 and 3,881.76

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Solution

The fourth proportional to 7,582.55, 11,368.65 and 3,881.76 is: 5,819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.55 : 11,368.65 = 3,881.76 : x
  2. Step 2: Convert to fraction form
    7,582.55/11,368.65 = 3,881.76/x
  3. Step 3: Cross multiply
    7,582.55x = 11,368.65 × 3,881.76
  4. Step 4: Simplify right side
    7,582.55x = 44,130,342.75
  5. Step 5: Solve for x
    x = 44,130,342.75/7,582.55
  6. Step 6: Final answer
    x = 5,819.99

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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.