Home / 3,089.07-4,262.63-1,762.74

Finding the Fourth Proportional to 3,089.07, 4,262.63 and 1,762.74

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Solution

The fourth proportional to 3,089.07, 4,262.63 and 1,762.74 is: 2,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.07 : 4,262.63 = 1,762.74 : x
  2. Step 2: Convert to fraction form
    3,089.07/4,262.63 = 1,762.74/x
  3. Step 3: Cross multiply
    3,089.07x = 4,262.63 × 1,762.74
  4. Step 4: Simplify right side
    3,089.07x = 7,513,899.59
  5. Step 5: Solve for x
    x = 7,513,899.59/3,089.07
  6. Step 6: Final answer
    x = 2,432.41

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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.