Home / 4,943.60-7,386.36-4,771.32

Finding the Fourth Proportional to 4,943.60, 7,386.36 and 4,771.32

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Solution

The fourth proportional to 4,943.60, 7,386.36 and 4,771.32 is: 7,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.60 : 7,386.36 = 4,771.32 : x
  2. Step 2: Convert to fraction form
    4,943.60/7,386.36 = 4,771.32/x
  3. Step 3: Cross multiply
    4,943.60x = 7,386.36 × 4,771.32
  4. Step 4: Simplify right side
    4,943.60x = 35,242,687.20
  5. Step 5: Solve for x
    x = 35,242,687.20/4,943.60
  6. Step 6: Final answer
    x = 7,128.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.