Home / 5,284.47-7,292.75-3,159.93

Finding the Fourth Proportional to 5,284.47, 7,292.75 and 3,159.93

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Solution

The fourth proportional to 5,284.47, 7,292.75 and 3,159.93 is: 4,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.47 : 7,292.75 = 3,159.93 : x
  2. Step 2: Convert to fraction form
    5,284.47/7,292.75 = 3,159.93/x
  3. Step 3: Cross multiply
    5,284.47x = 7,292.75 × 3,159.93
  4. Step 4: Simplify right side
    5,284.47x = 23,044,563.71
  5. Step 5: Solve for x
    x = 23,044,563.71/5,284.47
  6. Step 6: Final answer
    x = 4,360.81

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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.