Home / 4,048.76-5,592.56-2,988.68

Finding the Fourth Proportional to 4,048.76, 5,592.56 and 2,988.68

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Solution

The fourth proportional to 4,048.76, 5,592.56 and 2,988.68 is: 4,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.76 : 5,592.56 = 2,988.68 : x
  2. Step 2: Convert to fraction form
    4,048.76/5,592.56 = 2,988.68/x
  3. Step 3: Cross multiply
    4,048.76x = 5,592.56 × 2,988.68
  4. Step 4: Simplify right side
    4,048.76x = 16,714,329.31
  5. Step 5: Solve for x
    x = 16,714,329.31/4,048.76
  6. Step 6: Final answer
    x = 4,128.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.