Home / 7,039.60-10,556.52-2,654.68

Finding the Fourth Proportional to 7,039.60, 10,556.52 and 2,654.68

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Solution

The fourth proportional to 7,039.60, 10,556.52 and 2,654.68 is: 3,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.60 : 10,556.52 = 2,654.68 : x
  2. Step 2: Convert to fraction form
    7,039.60/10,556.52 = 2,654.68/x
  3. Step 3: Cross multiply
    7,039.60x = 10,556.52 × 2,654.68
  4. Step 4: Simplify right side
    7,039.60x = 28,024,182.51
  5. Step 5: Solve for x
    x = 28,024,182.51/7,039.60
  6. Step 6: Final answer
    x = 3,980.93

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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.