Home / 5,632.47-7,772.77-3,114.57

Finding the Fourth Proportional to 5,632.47, 7,772.77 and 3,114.57

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Solution

The fourth proportional to 5,632.47, 7,772.77 and 3,114.57 is: 4,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.47 : 7,772.77 = 3,114.57 : x
  2. Step 2: Convert to fraction form
    5,632.47/7,772.77 = 3,114.57/x
  3. Step 3: Cross multiply
    5,632.47x = 7,772.77 × 3,114.57
  4. Step 4: Simplify right side
    5,632.47x = 24,208,836.26
  5. Step 5: Solve for x
    x = 24,208,836.26/5,632.47
  6. Step 6: Final answer
    x = 4,298.09

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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.